Prevx Research Division
T.EXE
Fraudulent Security ProgramFree PC Cleanup from Webroot
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Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- Fraudulent Security Program
- Cloaked Malware
- Malware Downloader
File Behavior
T.EXE has been seen to perform the following behavior:
- Adds products to the system registry
- Writes to another Process's Virtual Memory (Process Hijacking)
- This process creates other processes on disk
- This Process Deletes Other Processes From Disk
- Executes a Process
- Removes Scheduled Tasks from the Windows task queue
- Can communicate with other computer systems using HTTP protocols
- Adds a Registry Key (RUN) to auto start Programs on system start up
- Copies files
- Creates or uses a background service to access the Internet using HTTP protocols
- Injects code into other processes
- Performs DNS look ups to resolve URL IP addresses
- The Process is packed and/or encrypted using a software packing process
- This Process is a file infector which modifies program files to include a copy of the infection
- Looks at the contents of the autoexec.bat file
- Drops known malicious software during execution
- Reads email address and phone book details
- Includes file creation code which could be used to test for interception by security products
- Uses DNS to retrieve the IP address for web sites
- Visits web sites on your PC without you knowing
T.EXE has been the subject of the following behavior:
- Created as a process on disk
- Executed as a Process
- Has code inserted into its Virtual Memory space by other programs
- 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
Country Of Origin
The filename T.EXE was first seen on Jun 8 2007 in the following geographical regions of the Webroot community:
- on Jun 8 2007
- The United Kingdom on Jun 8 2007
- Spain on Sep 22 2007
- Brazil on Jan 4 2008
- The United States on Jul 19 2008
- Europe on Aug 16 2009
- Denmark on Dec 16 2009
- Australia on Feb 9 2012
- Japan on Feb 9 2012
File Name Aliases
T.EXE can also use the following file names:
- KEEPSAFE.EXE
- KILL.EXE
- TMP12D.TMP
- MSA.EXE
- MSB.EXE
- STUFFITEXPANDER_SETUP[1].EXE
- ICREINSTALL_STUFFITEXPANDER_SETUP.EXE
- STUFFITEXPANDER_SETUP.EXE
- 1M[1].EXE
- C.EXE
- D.EXE
- K.EXE
- V.EXE
- Z.EXE
- B.EXE
- H.EXE
- N.EXE
- Q.EXE
- E.EXE
- F.EXE
- DF9147.EXE
- DF9148.EXE
- DF9149.EXE
- TD1.EXE
Filesizes
The following file size has been seen:
- 211,456 bytes
- 88,508 bytes
- 12,800 bytes
- 538,112 bytes
- 65,536 bytes
- 21,504 bytes
- 146,432 bytes
- 32,600 bytes
File Type
The filename T.EXE is used by multiple object types including executable programs,objects,objects.
File Activity
One or more files with the name T.EXE creates, deletes, copies or moves the following files and folders:
- Deletes c:\melt.bat
- Deletes c:\melt1.ba
- Creates c:\melt1.bat
- Copies filec:\8197058.exe to c:\windows\system32\keepSafe.exe
- Deletes c:\windows\system32\Contxt.da
- Opens/modifes c:\autoexec.bat
- Deletes c:\8197058.ex
- Creates c:\windows\system32\wmimgr32.dl_
- Deletes c:\windows\system32\wmimgr32.dl_
Network Activity
One or more files with the name T.EXE performs the following network events:
- DNS Lookup127.0.0.1 0
- DNS Lookup cz-http.3322.org
- DNS Lookup209.160.28.109 cz-http.3322.org
Website Activity
One or more files with the name T.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- TCP:127.0.0.1:1063 Port:18
- Port 80 IP:209.160.28.109
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