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The Hacker News - Cybersecurity News and Analysis: virus

Virus threat hit Israeli Foreign Ministry computers

Virus threat hit Israeli Foreign Ministry computers

October 26, 2012Mohit Kumar
A number of Israel's government offices have fallen victim to a cyber attack over the past week, one apparently aimed at slipping a "Trojan horse" into the computer servers at these ministries. Israeli police immediately pulled the national computer network from the civilian Internet after this cyber threat . A Trojan horse has been sent as files attached to emails bearing the name of the IDF Chief of Staff Benny Gantz in the subject line. According to the reports from haaretz ,A senior government clerk stressed that the threat facing the police was being investigated by experts. It is also not clear that either breach involved a wide-scale cyber-attack, or a virus infecting only a few computers. Government employees were advised not to open their emails or Facebook messages if such strange activity was noticed. Dozens of identical emails were sent Wednesday to Israel embassies abroad and to Foreign Ministry employees in Israel. The intelligence tip did not indicate t
Virus conducting DDoS attack from infected systems

Virus conducting DDoS attack from infected systems

October 15, 2012Mohit Kumar
Russian anti-virus company Doctor Web is warning users about the malicious program which is helping attackers carry out mass spam mailings and allow attacker to use victim's PC as slave of his DDOS Army. According to researchers from the company they have discovered a Trojan " Trojan.Proxy.23012 " application that uses a rare method of distribution through peer networks. " The botnet, consisting of Trojan.Proxy.23012-infected computers, is used by criminals to control proxy servers for the purpose of using them to send spam upon command ". An example of such a spam message is shown in the screenshot below. This Malware work as: 1.) Using peer to peer network it will download the executable file and that will be a encrypted malicious module. A very interesting algorithm used by the Trojan to download the infected computer other malware. 2.) After successfully decrypt it launches another module that reads the image in computer memory or other malicious applica
Ransomware malware targeting Skype users

Ransomware malware targeting Skype users

October 08, 2012Mohit Kumar
Security firm Trend Micro discovered a new worm targeting Skype users with spam messages designed to infect machines with the Dorkbot ransomware has been discovered. A malicious worm is taking advantage of the Skype API to spam out messages that link to a ZIP files ie. skype_06102012_image.zip or skype_08102012_image.zip, which is actually detected as Troj/Agent-YCW or Troj/Agent-YDC by Antivirus. According to definition -  Ransomware is a form of malware in which rogue software code effectively holds a user's computer hostage until a "ransom" fee is paid. Ransomware often infiltrates a PC as a computer worm or Trojan horse that takes advantage of open security vulnerabilities. Most ransomware attacks are the result of clicking on an infected e-mail attachment or visiting a hacked website. The message contains the question: "lol is this your new profile pic? h__p://goo.gl/{BLOCKED}5q1sx?img=username" or "moin, kaum zu glauben was für schöne fotos von dir auf deinem
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