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Doctor Web offers help to users whose systems have been compromised by an archive-blocker Trojan

01

Aug

2012

Russian anti-virus company Doctor Web is warning users about the large-scale spreading of a multi-component ransomware that has been dubbed Trojan.ArchiveLock.2. It uses the archiver WinRAR to make files inaccessible for users. Doctor Web’s analysts have found a way to recover a password to extract files compromised by certain versions of the Trojan horse. Trojan.ArchiveLock.2 […]

Category General Written by Virus alerts 0 Comments

ZeroAccess: code injection chronicles

26

Jun

2012

At the end of spring 2012, the rootkit family Win32/Sirefef and Win64/Sirefef (also known as ZeroAccess) was updated. We start tracking the first updated samples at the beginning of May when a new affiliation program started for the distribution of a new ZeroAccess version. The updated version of Sirefef doesn’t use kernel-mode drivers, as was […]

Category General Written by ESET ThreatBlog 0 Comments

Trojan.Milicenso: A Paper Salesman’s Dream Come True

21

Jun

2012

Over the past two weeks, an outbreak of Trojan.Milicenso has resulted in multiple reports of massive print jobs being sent to print servers, printing garbage characters until the printer runs out of paper. Our telemetry data has shown the worst hit regions were the US and India followed by regions in Europe and South America. […]

Category General Written by Symantec Security Response Blog 0 Comments

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Doctor Web offers help to users whose systems have been compromised by an archive-blocker Trojan

ZeroAccess: code injection chronicles

Trojan.Milicenso: A Paper Salesman’s Dream Come True

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