TROJ_PIDIEF.LAS
Windows 2000, XP, Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan exploits a known vulnerability in Adobe Reader and Acrobat in order to drop BKDR_TIDSERV.DM. As a result, the malicious routines of this backdoor are also exhibited on the infected system.
TECHNICAL DETAILS
Dropping Routine
This Trojan takes advantage of the following software vulnerabilities to drop malicious files:
- Vulnerability in the MULTIMEDIA.API in Adobe Reader and Acrobat
Other Details
More information on this vulnerability can be found below:
NOTES:
If exploited successfully, it drops and executes the following malware embedded in its code:
- %ApplicationData%\Microsoft\ico.exe - detected as BKDR_TIDSERV.DM
SOLUTION
Step 1
For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.
Step 2
Remove malware files dropped/downloaded by TROJ_PIDIEF.LAS
- BKDR_TIDSERV.DM
Step 3
Scan your computer with your Trend Micro product to delete files detected as TROJ_PIDIEF.LAS. 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.
Step 4
Download and apply these security patches Refrain from using these products until the appropriate patches have been installed. Trend Micro advises users to download critical patches upon release by vendors.
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