File Investigation Report
OUFDDH.EXE
Cloaked MalwarePC Cleanup in 3 Easy Steps
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Associated Malware Groups
The filename is associated with the malware group:
- Cloaked Malware
File Behavior
OUFDDH.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Executes a Process
- Creates a new Background Service on the machine
- Disables safe mode on your PC
- Disables or impairs the normal operation of the Windows Security Center
- This process creates other processes on disk
- This Process Deletes Other Processes From Disk
- Registers a Dynamic Link Library File
- Looks at the contents of the autoexec.bat file
- Reads email address and phone book details
- Uses DNS to retrieve the IP address for web sites
- The Process is polymorphic and can change its structure
- Loads and Executes a System Driver File
- Writes to another Process's Virtual Memory (Process Hijacking)
- Found on infected systems and resists interrogation by security products
- Adds a Registry Key (RUN) to auto start Programs on system start up
OUFDDH.EXE has been the subject of the following behavior:
- Executed as a Process
- Created as a process on disk
- Added as a Registry auto start to load Program on Boot up
- Copied to multiple locations on the system
- Deleted as a process from disk
- Executed from Temporary Folders
- Has code inserted into its Virtual Memory space by other programs
- Executed by Internet Explorer
Country Of Origin
The filename OUFDDH.EXE was first seen on Feb 20 2008 in the following geographical regions of the Prevx community:
- The EUROPEAN UNION on Feb 20 2008
- The UNITED ARAB EMIRATES on Feb 20 2008
- URUGUAY on Feb 22 2008
- INDIA on Apr 18 2008
- SPAIN on Apr 18 2008
- The UNITED KINGDOM on May 28 2008
File Name Aliases
OUFDDH.EXE can also use the following file names:
- AMVO.EXE
- HELP[n].EXE
- HELP.EXE
- MGG.EXE
- MGG[n].EXE
- OUFDDH-E2609E36.EXE
- NUEVA CARPETA/OUFDDH.EXE
- 81145484.EXE
Filesizes
The following file size has been seen:
- 128,000 bytes
- 222,207 bytes
- 106,757 bytes
- 107,221 bytes
File Type
The filename OUFDDH.EXE refers to many versions of an executable program.
File Activity
One or more files with the name OUFDDH.EXE creates, deletes, copies or moves the following files and folders:
- Creates c:\windows\system32\vcmgcd32.dl_
- Creates c:\KUKU300a
- Deletes c:\KUKU300a
- Creates c:\docume~1\user\locals~1\temp\m5.dll
- Deletes c:\docume~1\user\locals~1\temp\hyeri.sy
- Creates c:\docume~1\user\locals~1\temp\hyeri.sys
- Opens/modifes c:\autoexec.bat
- Deletes c:\windows\system32\amvo.exe
- Deletes c:\windows\system32\amvo0.dll
- Creates c:\windows\system32\amvo0.dll
- Deletes c:\oufddh.ex
- Copies filec:\windows\system32\amvo.exe to c:\oufddh.ex
- Deletes c:\autorun.in
- Creates c:\autorun.in
- Deletes d:\oufddh.ex
- Copies filec:\windows\system32\amvo.exe to d:\oufddh.ex
- Deletes d:\autorun.in
- Creates d:\autorun.in
Network Activity
One or more files with the name OUFDDH.EXE performs the following network events:
- DNS Lookup207.46.193.254 www.microsoft.com
Website Activity
One or more files with the name OUFDDH.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- www .om7890 .com / mf2 / help .rar
- TCP:127.0.0.1:1088 Port:18
- Port 80 IP:60.169.1.92
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