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The New Version of Trojan.Hosts To Extort Money From Foreign Users

24

May

2012

Doctor Web, a Russian IT security developer alerts users of Trojan.Hosts.5858 malware to spread out widely and threaten primarily German-speaking users. When victims send a request in their browsers, the Trojan redirects them to a criminal-owned website that forces them to pay to unlock Internet access using a credit card.First of all, Trojan.Hosts.5858 downloads itself […]

Category General Written by Virus alerts 0 Comments

Ransomcrypt Decryption Script

19

Apr

2012

Last week, we wrote about a ransom trojan called Trojan:W32/Ransomcrypt which encrypts documents, images, videos, et cetera and holds the files hostage for ?50. Ransomcrypt encrypts files using Tiny Encryption Algorithm (TEA). The key is formed from a “base key” which is modified based on the first character of the name of the file that […]

Category General Written by F-Secure Antivirus Research Weblog 0 Comments

Ransomware Takes MBR Hostage

12

Apr

2012

We have encountered a ransomware unlike other variants that we have seen previously. A typical ransomware encrypts files or restricts user access to the infected system. However, we found that this particular variant infects the Master Boot Record (MBR), preventing the operating system from loading. Based on our analysis, this malware copies the original MBR […]

Category General Written by TrendLabs 0 Comments

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The New Version of Trojan.Hosts To Extort Money From Foreign Users

Ransomcrypt Decryption Script

Ransomware Takes MBR Hostage

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