BKDR_POISON.JI
VirTool:Win32/DelfInject.gen!X (Microsoft); BackDoor-DOQ.gen.w (McAfee); Trojan-Dropper.Win32.Delf.cff (Kaspersky); BehavesLike.Win32.Malware.wsc (mx-v) (Sunbelt); Trojan horse Generic7_c.IZI (AVG)
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
718,404 bytes
EXE
No
12 Apr 2013
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%\zerub3_{malware file name}
(Note: %Windows% is the Windows folder, which is usually C:\Windows.)
Other System Modifications
This backdoor deletes the following files:
- %Windows%\zerub3_{malware file name}
(Note: %Windows% is the Windows folder, which is usually C:\Windows.)
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
Scan your computer with your Trend Micro product to delete files detected as BKDR_POISON.JI. 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 3
Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.
- %Windows%\zerub3_{malware file name}
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