TROJ_MECIV.B
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan may be dropped by other malware.
It injects its dropped file/component to specific processes.
It executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.
It deletes itself after execution.
TECHNICAL DETAILS
Arrival Details
This Trojan may be dropped by the following malware:
- TROJ_ARTIEF.TY
Installation
This Trojan injects its dropped file/component to the following processes:
- SVCHOST.EXE
Dropping Routine
This Trojan drops the following files:
- %System%\datac1en.dll - detected as BKDR_MECIV.A
(Note: %System% is the Windows system folder, which is usually C:\Windows\System on Windows 98 and ME, C:\WINNT\System32 on Windows NT and 2000, or C:\Windows\System32 on Windows XP and Server 2003.)
It executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.
Other Details
This Trojan deletes itself after execution.
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_MECIV.B
- BKDR_MECIV.A
Step 3
Remove the malware/grayware file that dropped/downloaded TROJ_MECIV.B
- TROJ_ARTIEF.TY
Step 4
Scan your computer with your Trend Micro product to delete files detected as TROJ_MECIV.B. 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.
Did this description help? Tell us how we did.