TROJ_HILOTI.SME2
Trojan:Win32/Hiloti.gen!D (Microsoft); Hiloti.gen.e (McAfee); Trojan.Zefarch!gen1 (Symantec); Trojan-Downloader.Win32.Mufanom.airf (Kaspersky); Trojan.Win32.Cimag.gk (v) (Sunbelt); Gen:Variant.Hiloti.1 (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.
TECHNICAL DETAILS
77,824 bytes
EXE
Yes
06 Oct 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_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Jmecupetozuxahow
It adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Jmecupetozuxahow
Uwawemitedu = {random values}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Jmecupetozuxahow
Dbeguwupomukimup = {random values}
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
Dgiwagimogoyine = "rundll32.exe "%Windows%\codani.dll",Startup"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Jmecupetozuxahow
Asodepaguh = "168"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Jmecupetozuxahow
Dbeguwupomukimup = {random values}
Dropping Routine
This Trojan drops the following files:
- %Windows%\codani.dll
(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
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_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion
- Jmecupetozuxahow
Step 3
Delete this registry value
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_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Jmecupetozuxahow
- Uwawemitedu={random values}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Jmecupetozuxahow
- Dbeguwupomukimup={random values}
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- Dgiwagimogoyine="rundll32.exe "%Windows%\codani.dll",Startup"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Jmecupetozuxahow
- Asodepaguh="168"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Jmecupetozuxahow
- Dbeguwupomukimup={random values}
Step 4
Search and delete this file
Step 5
Scan your computer with your Trend Micro product to delete files detected as TROJ_HILOTI.SME2. 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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