WORM_KOOBFACE.DI
Trojan:Win32/Koobface.gen!H (Microsoft); W32/Koobface.worm (McAfee); W32.Koobface.D (Symantec); Trojan-Downloader.Win32.Small.aoiu (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt); Worm/Generic_r.IE (AVG)
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Worm
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This worm arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It deletes itself after execution.
TECHNICAL DETAILS
6,144 bytes
EXE
No
02 Jun 2013
Arrival Details
This worm arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Dropping Routine
This worm drops the following files:
- %System Root%\fbcheck.bat
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
Other Details
This worm deletes itself after execution.
This report is generated via an automated analysis system.
SOLUTION
9.300
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 file
- %System Root%\fbcheck.bat
Step 3
Scan your computer with your Trend Micro product to delete files detected as WORM_KOOBFACE.DI. 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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