BKDR_MYDOOM.SMM
Backdoor:Win32/Delf.DU (Microsoft); Exploit-Mydoom (McAfee); Backdoor.Trojan (Symantec); Backdoor.Win32.Delf.ars (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt); Backdoor.Delf.ARS (FSecure)
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Backdoor
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
TECHNICAL DETAILS
66,955 bytes
EXE
No
03 Jan 2012
Arrival Details
This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This backdoor drops the following copies of itself into the affected system:
- %Windows%\win32dc\Doom 3_trainer.exe
- %Windows%\win32dc\Sims 2_trainer.exe
- %Windows%\win32dc\Silent Hill 4(serial).exe
- %Windows%\win32dc\UT2004(trainer).exe
- %Windows%\win32dc\Doom 3_fix.exe
- %Windows%\win32dc\Silent Hill 4_patch.exe
- %Windows%\win32dc\Counter-Strike_cdfix.exe
- %Windows%\win32dc\Quake3 fix.exe
- %Windows%\win32dc\UT2004(serial).exe
(Note: %Windows% is the Windows folder, which is usually C:\Windows.)
It creates the following folders:
- %Windows%\win32dc
(Note: %Windows% is the Windows folder, which is usually C:\Windows.)
This report is generated via an automated analysis system.
SOLUTION
9.200
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
Search and delete this folder
Step 3
Scan your computer with your Trend Micro product to delete files detected as BKDR_MYDOOM.SMM. 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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