TROJ_PIDIEF.SMAR
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users. It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
As of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
Varies
26 Jul 2012
Arrival Details
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Download Routine
This Trojan accesses the following websites to download files:
- http://link.{BLOCKED}t.com/w.php?f=b6863&e=3
It saves the files it downloads using the following names:
- %User Temp%\wpbt0.dll
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.)
As of this writing, the said sites are inaccessible.
NOTES:
This Trojan executes the downloaded file using the commandregsvr32 -s %User Temp%\wpbt0.dll. As a result, the malicious routines of the downloaded file are exhibited on the affected system.