TROJ_PIDIEF.EXP
July 29, 2010
PLATFORM:
Windows 98, ME, NT, 2000, XP, Server 2003
OVERALL RISK RATING:
DAMAGE POTENTIAL:
DISTRIBUTION POTENTIAL:
REPORTED INFECTION:
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
It may be unknowingly downloaded by a user while visiting malicious websites.
It may be dropped by other malware.
It executes the files it drops, prompting the affected system to exhibit the malicious routines they contain.
TECHNICAL DETAILS
Initial Samples Received Date:
01 Jan 0001
Arrival Details
It may be unknowingly downloaded by a user while visiting malicious websites.
It may be dropped by other malware.
It drops and executes the following files:
- %System Root%\a.exe - detected as TROJ_DLOADR.JSP
Dropping Routine
It takes advantage of unknown vulnerabilities in the following software to drop malicious files:
- Adobe Reader
- Acrobat
It executes the files it drops, prompting the affected system to exhibit the malicious routines they contain.
Other Details
More information on this vulnerability can be found below:
SOLUTION
VSAPI OPR PATTERN File:
6.911.00
Step 1
For Windows ME and XP 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.EXP
Step 3
Scan your computer with your Trend Micro product to delete files detected as TROJ_PIDIEF.EXP 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 this security patch 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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