TROJ_PIDIEF.ZTY
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users. It may be unknowingly downloaded by a user while visiting malicious websites.
TECHNICAL DETAILS
107,266 bytes
20 Apr 2011
Drops files
Arrival Details
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
It may be unknowingly downloaded by a user while visiting malicious websites.
NOTES:
This is a specially crafted .PDF file that exploits a certain vulnerability in Adobe Reader and Acrobat. If this exploit is successful, it drops and executes the following file embedded in its body:
- %UserTemp%\windowsupdate.exe
As a result, the routines of the said malware are also exhibited in the system.
It also creates the following nonmalicious PDF file then opens it to avoid suspicion:
- %User Temp%\{random file name}.pdf
SOLUTION
Scan your computer with your Trend Micro product to delete files detected as TROJ_PIDIEF.ZTY. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
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