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Crisis for Windows Sneaks onto Virtual Machines

21

Aug

2012

Symantec reported new malware for Mac last month that we called OSX.Crisis. Kaspersky then reported that it arrives on the compromised computer through a JAR file by using social engineering techniques.The JAR file contains two executable files for both Mac and Windows. It checks the compromised computer’s OS and drops the suitable executable file. Both […]

Category General Written by Symantec Security Response Blog 0 Comments

W32/XDocCrypt.a Infects Executable and Doc Files

11

Aug

2012

We have seen malware that infects executables operate so that the malicious code runs first, and is then followed by the execution of host file. The malware XDocCrypt takes this a step further. Besides infecting portable executable files, it also infects Microsoft Word and Excel files. In an infected file, the malware body sits at […]

Category General Written by Blog Central > McAfee Labs 0 Comments

W32.Morto.B – Morto Adds File Infection to its Arsenal

10

Jul

2012

W32.Morto first surfaced in August 2011 causing a stir when it targeted weak passwords on Remote Desktop Protocol Connections in order to propagate across networks. W32.Morto.B, the new variant, now has the ability to infect executable files on a compromised computer. Let’s take a look at the infected files in a bit more detail. Figure […]

Category General Written by Symantec Security Response Blog 0 Comments

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W32/XDocCrypt.a Infects Executable and Doc Files

W32.Morto.B – Morto Adds File Infection to its Arsenal

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