Malware type: Trojan

Aliases: PAK:PE_Patch.UPX, PAK:UPX, Trojan-Proxy.Win32.Small.zi (Kaspersky), [00004090.EXE]:Generic.dx (McAfee), Trojan Horse (Symantec),

In the wild: Yes

Destructive: No

Language: English

Platform: Windows 98, ME, NT, 2000, XP, Server 2003

Encrypted: No

Description: 

To get a one-glance comprehensive view of the behavior of this malware, refer to the Behavior Diagram shown below.

Malware Overview

This Trojan may be dropped by other malware. It may be downloaded unknowingly by a user when visiting malicious Web sites.

It drops files, one of which is detected as BKDR_SMALL.NAT. As a result, malicious routines of the dropped backdoor are exhibited on the affected system.

It also modifies a certain file related to Mozilla-based applications. It does the said routine to close window processes related to said applications.

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

Description created: Feb. 24, 2009 12:48:46 PM GMT -0800

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