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PE_SALITY.LNK-O
Overview

Malware type: File infector

Aliases: No Alias Found

In the wild: Yes

Destructive: No

Language: English

Platform: Windows 2000, XP, Server 2003

Encrypted: No

Overall risk rating:


Reported infections:

Damage potential:

Medium

Distribution potential:

Medium

Infection Channel 1 : Infects files


Description: 

Trend Micro has flagged this threat as noteworthy due to the increased potential for damage, propagation, or both, that it possesses.

PE_SALITY.LNK-O Behavior Diagram

Malware Overview

This file infector may be downloaded from remote sites by other malware. It may be dropped by other malware. It may be downloaded unknowingly by a user when visiting malicious Web sites.

It enumerates network shares and drops .DLL files. It then drops a .LNK file that automatically executes the said file. The .LNK may use any different file names.

The said shortcut file is detected as LNK_STUXNET.SM. It takes advantage of the following vulnerability in Windows Shell that could allow arbitrary commands to be executed:

The .DLL then drops the malware file detected as PE_SALITY.BA-O. It then executes the dropped file. As a result, malicious routines of the dropped file are also exhibited on the affected system.

For additional information about this threat, see:
Solution
Technical Details

Description created: Jul. 27, 2010 12:52:48 AM GMT -0800

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