PE_TRIYU.A
Windows 2000, XP, Server 2003
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Threat Type: File infector
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This file infector executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.
TECHNICAL DETAILS
Installation
This file infector drops the following files:
- %User Temp%\{number}.dll - detected as TROJ_BVVVB.A
(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, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)
Dropping Routine
This file infector executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.
SOLUTION
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Remove the malware/grayware file dropped/downloaded by PE_TRIYU.A
- TROJ_BVVVB.A
Step 3
Scan your computer with your Trend Micro product to clean files detected as PE_TRIYU.A. 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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