TROJ_JORIK.SMO
TrojanDownloader:Win32/Renos.PT (Microsoft); Downloader-CEW.au (McAfee); Trojan.FakeAV!gen48 (Symantec); Trojan.Win32.Jorik.Skor.aju (Kaspersky); VirTool.Win32.Obfuscator.hg!b1 (v) (Sunbelt); Trojan.Generic.KD.250037 (FSecure)
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan 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 the initially executed copy of itself.
TECHNICAL DETAILS
76,800 bytes
EXE
No
07 Nov 2011
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Other System Modifications
This Trojan adds the following registry keys:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\_CHAR(0x03)_
Other Details
This Trojan deletes the initially executed copy of itself
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
Delete this registry key
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones
- _CHAR(0x03)_
Step 3
Scan your computer with your Trend Micro product to delete files detected as TROJ_JORIK.SMO. 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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