Eset desarrolló un análisis sobre el nuevo ataque de ransomware que se inició en Ucrania, y cifró información de máquinas de todo el mundo, afectando compañías de distintas industrias como bancos, red eléctrica y empresas postales, entre otras. El ransomware (secuestro de información) es el término genérico para referirse a todo tipo de software malicioso que le exige al usuario del equipo el pago de un rescate.
“El día martes un nuevo ataque de ransomware dejó en evidencia que sigue habiendo sistemas desactualizados, falta de soluciones de seguridad y de planes necesarios para evitar una infección. Los ataques continúan creciendo y evolucionando, por lo que desde Eset seguimos apostando a que la prevención y la concientización son claves para evitar ser víctimas.”, aseguró Camilo Gutierrez, jefe del Laboratorio de Eset Latinoamérica
Con el fin de despejar todas las dudas en torno a este nuevo ataque global, la compañía comparte el siguiente cuestionario:
¿Cuáles son las características de este ransomware?
Se destacan tres aspectos que lo diferencian:
Cifrado: no solo cifra los archivos con una extensión determinada, sino que además intenta cifrar, generalmente con éxito, el MBR (Master Boot Record), que es el registro principal de arranque.
Propagación: tiene la propiedad de un gusano, o sea, puede propagarse a través de diferentes técnicas por la red logrando infectar nuevos equipos.
Exploit: hace uso de ellos para explotar vulnerabilidades en equipos que no han sido actualizados o no se les han instalado los parches correspondientes.
¿Es igual de poderoso que WannaCryptor?
Ambos tienen el mismo impacto: impiden el acceso a la información almacenada en el sistema. Sin embargo, este nuevo ataque no solo cifra la información que se encuentra en los equipos, sino que, luego de que se reinicia el sistema, deja inutilizable al sistema operativo, por lo que las víctimas se ven obligadas a realizar una reinstalación.
¿Qué es lo que hace exactamente esta amenaza?
Luego de que el ransomware es ejecutado, crea una tarea programada con el fin de reiniciar el equipo en un determinado tiempo, que no suele ser más de sesenta minutos. Además, verifica si existen carpetas o discos compartidos para propagarse.
A continuación, comienza a cifrar archivos que contengan una determinada extensión. A diferencia de la mayoría del ransomware, este código malicioso no cambia o agrega una extensión particular luego de cifrar cada archivo, una técnica muy utilizada por los atacantes para distinguir a los archivos infectados.
Por último, el malware intentará eliminar los registros de eventos para no dejar rastro alguno, como también ocultar sus acciones.
¿Cómo se propaga de un país a otro? ¿Llegó a Latinoamérica?
La propagación es una característica destacable de esta amenaza. Una vez que logra infectar un equipo, intenta extraer las credenciales del usuario para luego usarlas con PsExec y WMIC para realizar una búsqueda de carpetas y discos compartidos, y así propagarse por la red a la cual el equipo esté conectado. De esta manera, logra infectar equipos situados en distintos países y regiones.
Sí, llegó a Latinoamérica, en la mayoría de los casos a equipos de empresas multinacionales conectados en red con los de otras filiales en Europa o Asia, desde las cuales se propagó con su capacidad de gusano.
¿Qué se puede hacer para evitarlo?
Tanto en hogares como en empresas, contar con una solución antivirus es imprescindible. La misma tiene que estar correctamente configurada, contemplar qué puertos están abiertos y por qué.
Además, la red debe estar configurada y segmentada correctamente, y monitorear constantemente el tráfico para detectar algún tipo de comportamiento fuera de lo normal. Es esencial realizar un estudio detallado de la información más relevante y hacer backup de la misma, para que, en caso de que se cifre, haya una forma de restaurarla.
En cuanto a las contraseñas, es primordial llevar una buena gestión de las mismas, ya que si tan solo una de las máquinas infectadas posee las credenciales de administrador, podría infectar toda la red.
Si estoy infectado y no puedo acceder al sistema, ¿cómo tendría que avanzar?
Se podrían utilizar técnicas forenses para intentar correr en memoria otro sistema operativo y de esta forma acceder a los archivos cifrados. Sin embargo, no hay mucho que se pueda hacer más que aplicar el backup, lo cual sería crucial para evitar la reinstalación del sistema operativo.
En última instancia, si no hay backup, los cibercriminales siempre ofrecerán la opción extorsiva, pero desde ESET no sugerimos de pagar el rescate ya que mientras siga siendo rentable, el ransomware continuará creciendo.
¿Cómo están operando los atacantes? ¿Esperan un pago a cambio?
El proceso para recuperar la información es el mismo al que nos tiene acostumbrado este tipo de ataques. Una vez finalizada la infección, el ransomware emite las instrucciones, en donde los atacantes solicitan un pago en bitcoins, en este caso, equivalente a 300 dólares.
Pie de imagen: Aviso de que el equipo ha sido infectado.
¿Por qué se ha vuelto tan común el secuestro de datos?
Dentro de los puntos destacables se encuentran la falta de concientización y educación a nivel seguridad que tienen muchos usuarios y empresas. Una gran parte todavía no conoce el impacto que puede tener en un modelo de negocio un ciberataque hasta que es víctima y se ve obligada a pagar para recuperar su información.
Ante esta cuestión, a pesar de la velocidad con que circulan las noticias sobre ataques informáticos y los problemas que generan, los cibercriminales encuentran una motivación importante para continuar desarrollando nuevas amenazas.
¿El ataque está armado por una persona o un grupo? ¿Se necesitan conocimientos técnicos altos?
Resulta difícil pensar que una sola persona puede estar detrás de este ataque, ya que es una amenaza que incorpora varias técnicas en cuanto a exploits, propagación, y cifrado, así como para evadir medidas de seguridad. Sin embargo, no podemos asegurar cuántas son las personas involucradas en el desarrollo de un ataque de tal magnitud.
¿Se puede dar con los autores del ataque?
No por ahora. A diferencia de una botnet, por ejemplo, no hay un Centro de Comando y Control al que se conecte la amenaza como para rastrearlo y dar con los autores; y de usarlo, seguramente sería un servidor ajeno al cual atacaron para tomar el control y accederían desde TOR, logrando anonimidad. Por otro lado, el pago del rescate se hace en bitcoins y, por las características de esta criptomoneda, se hace prácticamente imposible rastrear su destino final.
Para más información ingrese al portal de noticias de ESET llamado WeLiveSecurity en: https://www.welivesecurity.com/la-es/2017/06/29/todo-sobre-nuevo-ataque-de-ransomware/
Los consumidores en línea alrededor del mundo están comprando en mercados digitales y minoristas internacionales, y dependen más de dispositivos digitales con opciones de entrega alternativas.
Los entrevistados para este reporte coinciden en afirmar que la asociación con un 3PL integral experto, sea en gestión de operaciones como de bienes raíces, puede proporcionar una solución perfecta y potente.
And Zhou Baihu is the Jinwu Guard, and the Jinwu Guard is only responsible for guarding, not for the ancestor worship ceremony, that is to say, he has no chance to enter the Shanhe Temple in Yongzhen.His clear thinking and meticulous logic inviga male enhancement support won Yang Yan s task, and he appreciated and valued this little gong under his command more and more.
Disagreeing for a gong, Jiang Lvzhong s eyes flickered slightly, and with a heh , he smiled and said, I want it Yang Yan said in a deep voice, According to the rules.Second Uncle Xu Listen to music in the morning, go home and take a nap at noon, and go erectile dysfunction clinic johannesburg to the black market in the evening.
Speaking of which, among the twenty four oirans of the Jiaofang Division, I only slept with Fuxiang.Based on the analysis of erectile dysfunction under 50 behavioral psychology, Xu Qi an inferred the strong side of the eldest princess s character.
He lowered his head and scribbled on the ground with a branch.When Xu Qi an left the government office, there were six more fast hands from the government office beside him, for him to dispatch, their cultivation bases were not bad, two ldl cholesterol and erectile dysfunction of them practiced qi, and four refined their essence.
But, do you erectile dysfunction boise know what Brother Song often said recently Another white clothed black garlic erectile dysfunction person added Xu Ningyan is really my teacher.Xu Xinian frowned.Xu Qi an said Anyway, the brush and ink are placed here, isn t it for people to write, if the elder brother writes badly, someone will erase it tomorrow.
The gongs were bloodied on the spot and became do cbd gummies really help ed sexually aroused.A maid who served the guests to drink hurriedly left the table, stared at Xu Qi an for a few seconds, showing ecstasy, and ran out does glucosamine cause erectile dysfunction of the room regardless of the appearance, leaving the drinkers aside.
This means that there are monsters lurking in Jiaofangsi.November 16, this is a day worth remembering, because I finally I decided to give up the simple and boring life of the rich.
2.The relationship between No. 2 and epsom salt helps erectile dysfunction No.7 was extraordinary.After finishing speaking, he presented the Excalibur and walked away on the waves.
Pindao waited by the side of the road androcyn male enhancement After a epm male enhancement supplement long time, the benefactor finally came.Your maidservant takes orders Eunuch Liu retreated as if relieved of his heavy burden.
Uncle Xu is an old man, and he pretended to be a bystander, and distanced himself from his nephew and son.I was sentenced to beheaded for this.Therefore, His Majesty handed over the Sangbo case to me, and asked me to perform autoimmune disorder breathing blood pressure abdominal pain erectile dysfunction crimes and meritorious deeds.
The thin old man in a blue coat with golden piping on his collar and cuffs stood beside him, staring at Xu Qi an with sharp pupils, not hiding his murderous intent.Mother never waited to see him.Xu Lingyue liked the feeling of warming up the relationship between brother and sister, which made people feel like a spring breeze and a happy mood.
The father and son fought, and you smashed Zhang Yourui to death from behind with a vase.Zhu Guangxiao nodded sullenly.At noon multiple myeloma and erectile dysfunction the next day, Xu Qi an, who had only slept for five hours, got up energetically.
The mastermind behind the explosion and the evil wind made us think that it was a monster, and the focus of the investigation best male enhancer products was best otc male enhancement products on tracking and hunting.Raise your image.Three Confucian orthodoxy has lasted mr man male enhancement for more than two hundred years, and our academy cannot sit still.
It s not a erectile dysfunction smoothie big deal, Wei Yuan took a sip of tea, and pushed the household registration on the table to the side I know you want to ask, so I prepared it specially.The guests outside were shocked to find that Mr.Zhao had come out.
Except for Jin Luo, who is at the same level, no one can look at him for more than three seconds.In prison.Li Yuchun poured a cup of tea for Xu Qi an, who is both a subordinate and a superior, and then said, The yin gods of Taoism can do this, and they can also bypass guards and jailers silently.
He was an idiot who almost hacked someone to death, but it was a silver gong.Why best male enhancer products do you know the rules of the Jiaofang Division so much, and erectile dysfunction treatment centers orlando you don t miss it Xu Qi an nodded, expressing that he had learned new knowledge.
Xu Nian blushed and walked away.Erlang, if it weren t for us being the master, I would have made you the heroine.The femininity exuding makes Xu Qi an very uncomfortable.
What s more, my Kuaishou from Changle County is absent from work and wandering around Goulan.Mighty Marquis concubine daughter On the day you were kidnapped, you were not on duty at the Changle renova erectile dysfunction treatment County Yamen, where did you go The villain went to Goulan to listen to the music.
I accidentally discovered that there is a hundred households in Jinwuwei, who can hide the magician from the Sitianjian.In the end, what Wei Yuan said was also Xu Qi an s thoughts.
Based on this, they went to collect evidence.Then they all overturned and re reasoned.Xu Qi blue pill male enhancement an was overjoyed, laughter and the sound of silk and bamboo came from the yard, the tea play had already started, but since the concierge let him in, it meant that the yard was not reserved for private use, male enhancers at walgreenstegretol side effects erectile dysfunction but individual visitors.
What should we do now Xu Qi an intends to ask the little brother who does things well , and tentatively said Did I solve an eternal problem for the academy just now He didn t expect that his hey would cause such big jim male enhancement a terrible vision, and he didn t know what the follow up would be, so he ran away with Xu Erlang very carefully.
Xu Qi an He glanced at his cousin, who was expressionless.There was an uproar outside the hall, and gusts of wind rushed into the hall and blew out the candles.
Unqualified officials are demoted or even demoted to the people.It s like this, Tao Man slapped his forehead and pointed to Xu Qi an in the corner It was Mr.
After looking for a long time, no one is more beautiful than my aunt.Number six erectile dysfunction main cause is a big version of Lu Zhishen, with a very high level of cultivation.
Her skin was moist and her face was flawless.In the shadow of the candle, she was a little more enchanting and mysterious.The relationship between the sisters has always been bad.
Oh My sister is actually interested in him Could it be that she has taken a fancy to him Xing Xinyu laughed softly.Perhaps he was thinking about how to teach Shao Nan the way of swordsmanship.
Even if the three Huixu Zhenyi teamed up to seal the lava in the volcano, they could only prevent the magma from spreading outwards, alcohol causing erectile dysfunction but they couldn t stop the magma from continuously prolong male enhancement results rolling.So Shao Nan had to return to Jinxingfang City once.
Second Wu, how many floors did you go up pomegranate juice benefits for men erectile dysfunction to Hehe, you managed to climb to the second floor.And your body can t make decisions for you.In this way, after you form the alchemy, because you have realized many superficial ways of heaven.
Shao Nan sneered, thinking to himself.It turned out that this person in front of him was a powerful erectile dysfunctional treatment in india person.Not to mention a high level alchemist, but an intermediate what can harm penis growth level alchemist whose income makes countless people jealous.
Especially the major door to stinging nettle cause erectile dysfunction door, each door to door has a considerable number of elites, and there should be those who are reconciled in strength and comparable to Lan Yin.Qingyao Shinichi, Wushuang Shinichi, and Longxi Shinichi came to the erectile dysfunction red flags hall at the same time, which made people even more nervous.
The outside scenery I saw just now is like a flower in the mirror of erectile dysfunction frequency the moon in the water.He is also typical age for erectile dysfunction the first person to discover the shadow, which will definitely attract the attention of returning to the void.
You are a genius at controlling fire.Is your fire control skill used for cooking You are obviously studying the formation, why do you erectile dysfunction issues show off your cooking skills every day This is a fire control competition, not a cooking competition The key is that Shao Nan is number one, Lan Yin is number three, solve erectile dysfunction quick and Fan Tianyou, number two, is sandwiched between them.
Why am I always the one who s best otc supplement for erectile dysfunction hurt However, no matter what Fan Tianyou thought, vice male enhancement the focus of everyone s attention was on that blank space.If not done well, the Sacred Fire Glazed Sect might collapse.
The initial first to third level flames had no effect on Shao Nan and others at all.There will be no problem in forming alchemy in the future.
However, from this sentence alone, one are day male enhancement tablet Shao Nan heard tmale supplement some key news.Asked crisply.Of course.In the future, it will depend on you people to defeat the human race and take back the Colorful Continent.
Otherwise it s just hurting others.Zihuang Shinichi obviously knew about the problems after using this secret technique, so he specially asked Shao Nan for a bottle of elixir from Yin Meizhen.Lan Yuanzhou supported Yun male enhancement pills causing penis tip irritation Tianlin, and walked red male enhancement pills review together with Min Haoyan to the hall where best male daily supplements the elders on duty of the Sacred Fire Glazed Tile School were.
Although the Bibo Huanyue Clan lived on an isolated island, their shipbuilding skills were not very sophisticated.Ever since Xiaocao er assisted, Shao Nan s spiritual consciousness has been much stronger than that of monks in the same realm.
What Dacheng Fire Spirit Dragon You are really messing around.The main reason is that the goals are different.Fan Tianyou s and the others goal is to be which doctors treat erectile dysfunction the first in the fire control competition, which is the honor and the generous reward.
Returning to the Void and Shinichi is the top combat power gung fu male supplements in the Colorful Continent, but generally returning to the Void is devoted to the Dao and ignores world affairs zopiclone erectile dysfunction at all.However, here are ordinary people among the Bibo Huanyue clan, they are not aware of the problem here at all, but rather complacent.
The four of them had apparently reached a consensus, and they didn t even mention anything about erectile dysfunction doctor milwaukee wi the visit.Just outside the gate, Shao Nan saw a group of children playing around.
It seems that Lan Yuanzhou is doing well in the Sacred Fire Glazed Tile School, and many people along the way will take the initiative to say hello to Lan Yuanzhou.The shouting on both sides did erectile dysfunction and watermelon not shy away from any non prescription pills for erectile dysfunction of the guests, which made Shao Nan a little surprised.
To be continued.Chapter Four hundred and sixty three The Fire Control Competition of the Sacred Fire Glazed Sect has always been the hottest topic in the Colorful Continent.Even if Chai Jingming chooses the first one, all monks who have eaten at Shenmeng Restaurant will virility intense male enhancement formula die in the future.
Similarly, the test space for the fire of enthusiasm is left here.Get to the point Shao Nan was a little tests to confirm erectile dysfunction depressed, this is all nonsense.
He quickly looked around, and finally saw the dense black shadows surrounding the team.A few people have bad secret channels, and their eyes are dull.
Fortunately, this accident was acupuncture erectile dysfunction toronto considered to have indirectly saved the lives of Lan Yin and the others.What on earth is it Let me explain this.Lan Yin walked over with a smile, and gently took the understanding hand.
Shao Nan had anticipated at that time that he might have to prepare to trap Zhenjun Jinhong s formation.
The three great Confucianists were fighting like a raging fire in mid air, and the students watched from below with great interest.Xu s rank, but the county magistrate Zhu is the parent official of Changle County.
Before he was caught, he had heard it from his seniors.There is no evidence to test the legend, and the credibility is not high.
He commented It s a pity that this amazingly talented and brilliant work is actually given to a prostitute, who wastes everything.Of course Li Yuchun refused, what kind of joke are you kidding, and I will agree to robbing my treasure boy naked But Tao Man didn t diabetes hypertension erectile dysfunction seem to care about Li Yuchun s attitude, he brought someone in, informed him, and then turned around to take Xu Qi an away.
They knew in side effect of epic male enhancement pills their hearts that what Chen Tai said was reasonable, and the good sentences bladder and erectile dysfunction that have been passed down through the ages can t be written casually.This point, Oiran lady deeply agrees.Xu Qi an didn t come to watch the battle after lunch.
In terms of details, I have to discuss it with Erlang.It s okay, but my skin is too masculine, and I can t wear the handsome beauty of a little milk dog.
The official went into the warehouse and found a copy of Geography of Kyushu Southern phenoman male enhancement gummies ingredients Xinjiang Xu Qi an finished his quick browsing, and the book contained a lot of information about Wanyao Kingdom, but it was all past history , the only valuable information is the description of the Wan Yao erectile dysfunction pics Queen Nine Tailed Sky Fox.
My lords, please take a look.Xu Qi an poured out the metal sodium, wrapped it in rice paper, and weighed it in his hand This thing is much, much lighter than silver, but its appearance is very similar.ps This is six or seven hours.Master Xu, where are we going Min Shan asked.
If I had this skill in my previous life, lighting a cigarette with a flick of my finger is definitely a weapon for picking up girls.
Eset desarrolló un análisis sobre el nuevo ataque de ransomware que se inició en Ucrania, y cifró información de máquinas de todo el mundo, afectando compañías de distintas industrias como bancos, red eléctrica y empresas postales, entre otras. El ransomware (secuestro de información) es el término genérico para referirse a todo tipo de software malicioso que le exige al usuario del equipo el pago de un rescate.