Prevx Research Division
2A.TMP
Cloaked MalwareFree PC Cleanup from Webroot
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Associated Malware Groups
The filename is associated with the malware group:
- Cloaked Malware
File Behavior
2A.TMP has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- This process creates other processes on disk
- Executes a Process
- 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
- Uses DNS to retrieve the IP address for web sites
- Found on infected systems and resists interrogation by security products
- Injects code into other processes
2A.TMP has been the subject of the following behavior:
- Created as a process on disk
- Executed from Temporary Folders
- Has code inserted into its Virtual Memory space by other programs
- Executed as a Process
- Copied to multiple locations on the system
- Created as a new Background Service on the machine
- Added as a Registry auto start to load Program on Boot up
Country Of Origin
The filename 2A.TMP was first seen on Jun 4 2007 in the following geographical regions of the Webroot community:
- The United States on Jun 4 2007
- on Apr 2 2008
- Canada on Apr 2 2008
- Portugal on Apr 23 2008
- Norway on Mar 28 2009
- Europe on Oct 3 2009
- Spain on Apr 19 2012
- The United Kingdom on Apr 19 2012
File Name Aliases
2A.TMP can also use the following file names:
- WINBTN[1].EXE
- MSSRV32.EXE
- WINBTN[2].EXE
- BACKDOOR16.EXE
- 4.TMP
- 12.TMP
- 13.TMP
- 69.TMP
- 38.TMP
- 39.TMP
- 11.TMP
- 6E.TMP
- 10.TMP.XXX
- 230B.TMP
- 73C.TMP
- 39481482
- 42DC.TMP
- 16504257
Filesizes
The following file size has been seen:
- 15,872 bytes
- 44,632 bytes
- 155,648 bytes
- 218,684 bytes
- 68,496 bytes
- 89,088 bytes
- 81,920 bytes
File Type
The filename 2A.TMP refers to many versions of an executable program.
File Activity
One or more files with the name 2A.TMP creates, deletes, copies or moves the following files and folders:
- Opens/modifes c:\autoexec.bat
Website Activity
One or more files with the name 2A.TMP interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- Port 80 IP:193.138.233.44
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