TROJ_AGENT.AWRH
Windows 98, ME, NT, 2000, XP, Server 2003
![](/vinfo/imgFiles/legend.jpg)
Threat Type:
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan connects to certain URLs. It may do this to remotely inform a malicious user of its installation. It may also do this to download possibly malicious files onto the computer, which puts the computer at a greater risk of infection by other threats.
TECHNICAL DETAILS
14848 bytes
Yes
17 Dec 2009
Other System Modifications
This Trojan adds the following registry keys:
Download Routine
This Trojan connects to the following malicious URLs:
HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\Windows\CURRENTVERSION\Policies\Explorer\Run\ctfmom
%System%\ctfnom.exe- {BLOCKED}
- {BLOCKED}
Other Details
This Trojan adds the following lines or registry entries as part of its routine:
- %User Temp%\suicide.bat
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.)
SOLUTION
Step 1
Terminate the malware/grayware/spyware process:
Step 2
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.
- HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\cd46e497
- UID=2s1QpI63gbWc24x
- LastUpdateTime=4a6033de
- HKEY_CLASSES_ROOT\CLSID\{9813B1C3-32B9-1B69-AACD-57F6959FDBB3}\InProcServer32
- (Default)={malware path and filename}
- ThreadingModel=Apartment
- HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\Windows\CURRENTVERSION\ShellServiceObjectDelayLoad
- PgFhPP={9813B1C3-32B9-1B69-AACD-57F6959FDBB3}
Step 3
Restore this modified 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.
- HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\cd46e497
- From: LastUpdateTime=4a6033df
+ To: LastUpdateTime=4a6033de
- From: LastUpdateTime=4a6033e4
+ To: LastUpdateTime=4a6033df
- From: LastUpdateTime=4a6033e9
+ To: LastUpdateTime=4a6033e4
- From: LastUpdateTime=4a6033ef
+ To: LastUpdateTime=4a6033e9
- From: LastUpdateTime=4a6033f4
+ To: LastUpdateTime=4a6033ef
- From: LastUpdateTime=4a6033df
Step 4
Scan your computer with your Trend Micro product to delete files detected as
TROJ_AGENT.AWRH
*Note: 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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