Prevx Research Division
MSOHTMED.EXE
Cloaked MalwareFree PC Cleanup from Webroot
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Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- Cloaked Malware
- Malicious Software
File Behavior
MSOHTMED.EXE has been seen to perform the following behavior:
- This process creates other processes on disk
- This Process Deletes Other Processes From Disk
- This Process is a file infector which modifies program files to include a copy of the infection
- Copies files
- Registers a Dynamic Link Library File
- Executes a Process
- Enables an In Process Object/Server - Common with DLL Injections
- Looks at the contents of the autoexec.bat file
- Drops known malicious software during execution
- Reads email address and phone book details
- Uses backdoor interfaces to certain security applications
- Includes file creation code which could be used to test for interception by security products
- Changes to the file command map within the registry
- The process hooks code into all running processes which could allow it to take control of the system or record keyboard input, mouse activity and screen contents
MSOHTMED.EXE has been the subject of the following behavior:
- Executed as a Process
- Copied to multiple locations on the system
- Deleted as a process from disk
- Registered as a Dynamic Link Library File
- Created by processes which appear to be checking for interception by security products
- Created as a process on disk
- Has code inserted into its Virtual Memory space by other programs
- Executed by Internet Explorer
- Changes to the file command map within the registry
Country Of Origin
The filename MSOHTMED.EXE was first seen on Jun 12 2007 in the following geographical regions of the Webroot community:
- Brazil on Jun 12 2007
- Europe on Jun 12 2007
- The United States on May 21 2008
- Spain on Dec 16 2008
- Kenya on Feb 2 2009
- South Africa on May 24 2012
File Name Aliases
MSOHTMED.EXE can also use the following file names:
- PHCFL
- 07749781.EXE
Filesizes
The following file size has been seen:
- 141,376 bytes
- 224,423 bytes
- 67,932 bytes
- 145,720 bytes
- 49,371 bytes
- 239,072 bytes
- 67,440 bytes
- 57,920 bytes
File Type
The filename MSOHTMED.EXE is used by multiple object types including executable programs,Dynamic Link LIbraries.
File Activity
One or more files with the name MSOHTMED.EXE creates, deletes, copies or moves the following files and folders:
- Deletes c:\windows\svghost.exe
- Creates c:\windows\svghost.exe
- Opens/modifes c:\autoexec.bat
- Creates c:\docume~1\user\locals~1\temp\ktmt.tmp
- Creates c:\docume~1\user\locals~1\temp\bao.exe
- Deletes c:\docume~1\user\locals~1\temp\ktmt.tmp
- Creates c:\docume~1\user\locals~1\temp\heks.tmp
- Creates c:\program files\SexIE0528.exe
- Deletes c:\docume~1\user\locals~1\temp\heks.tmp
- Copies filec:\windows\svghost.exe to c:\docume~1\user\locals~1\temp\rnfdh
- Creates c:\docume~1\user\locals~1\temp\fnwwg
- Deletes c:\docume~1\user\locals~1\temp\fnwwg
- Creates c:\docume~1\user\locals~1\temp\mtpat
- Copies filec:\docume~1\user\locals~1\temp\mtpat to d:\SysAnti.exe
- Deletes c:\docume~1\user\locals~1\temp\rnfdh
- Deletes c:\docume~1\user\locals~1\temp\mtpat
- Copies filec:\windows\svghost.exe to c:\docume~1\user\locals~1\temp\nvdda
- Creates c:\docume~1\user\locals~1\temp\arbwj
- Deletes c:\docume~1\user\locals~1\temp\arbwj
- Creates c:\docume~1\user\locals~1\temp\phcfl
- Deletes c:\docume~1\user\locals~1\temp\nvdda
- Deletes c:\docume~1\user\locals~1\temp\phcfl
- Creates c:\windows\fonts\hhspg.dll
- Deletes c:\program files\common files\SysAnti.exe
- Copies filec:\docume~1\user\locals~1\temp\bao.exe to c:\program files\common files\SysAnti.exe
- Creates c:\docume~1\user\locals~1\Temp~hhs.tmp
- Deletes c:\docume~1\user\locals~1\Temp~hhs.tmp
- Creates c:\windows\fonts\owfv.fon
- Deletes c:\windows\fonts\owfv.fon
- Creates c:\windows\fonts\bbtwo.dll
- Creates c:\windows\fonts\ntru.fon
- Deletes c:\windows\fonts\ntru.fon
- Creates c:\windows\system32\drivers\etc\hosts
- Creates c:\AutoRun.inf
- Creates c:\SysAnti.exe
- Creates d:\AutoRun.inf
- Creates d:\SysAnti.exe
- Creates c:\docume~1\user\locals~1\temp\rivb.tmp
- Creates c:\docume~1\user\locals~1\temp\qq.exe
- Creates c:\docume~1\user\locals~1\temp\00.exe
- Creates c:\docume~1\user\locals~1\temp\0.exe
- Creates c:\docume~1\user\locals~1\temp\1.exe
- Creates c:\docume~1\user\locals~1\temp\2.exe
- Creates c:\docume~1\user\locals~1\temp\3.exe
- Deletes c:\program files\common files\services\svchost.exe
- Copies filec:\program files\SexIE0528.exe to c:\program files\common files\services\svchost.exe
- Creates c:\docume~1\user\locals~1\temp\~Config-svchost.exe
- Deletes c:\docume~1\user\locals~1\temp\~Config-svchost.exe
- Copies filec:\docume~1\user\locals~1\temp\~Config-svchost.exe to c:\docume~1\user\locals~1\temp\~Config-svchost.exe
- Deletes c:\program files\SEXIE0~1.EXE
Website Activity
One or more files with the name MSOHTMED.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- Remote server connection to qmmmm .com .c
- Port 80 IP:60.173.10.206
- www .9651 .net .cn / xin .txt
- www .9607 .net .cn / qq .exe
- www .9607 .net .cn / 00 .exe
- www .9607 .net .cn / 0 .exe
- www .9607 .net .cn / 1 .exe
- www .9607 .net .cn / 2 .exe
- www .9607 .net .cn / 3 .exe
- Port 80 IP:222.189.228.27
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