Prevx Research Division
BOOT.COM
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
- Malware Dropper
- Worm
File Behavior
BOOT.COM has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Copies files
- This Process Deletes Other Processes From Disk
- Executes a Process
- Writes to another Process's Virtual Memory (Process Hijacking)
- Executes Processes From DOS
- This Process is a file infector which modifies program files to include a copy of the infection
- This process creates other processes on disk
- Checks for the use of debuggers
- Drops known malicious software during execution
BOOT.COM has been the subject of the following behavior:
- Executed as a Process
- Has code inserted into its Virtual Memory space by other programs
- Created as a process on disk
- Executed from Temporary Folders
- Deleted as a process from disk
- Executed as a DOS Process
Country Of Origin
The filename BOOT.COM was first seen on Feb 13 2008 in the following geographical regions of the Webroot community:
- Australia on Feb 13 2008
- Spain on Sep 19 2008
- on Sep 19 2008
- Germany on Oct 28 2008
- Netherlands on Oct 28 2008
- The United States on Oct 22 2009
File Name Aliases
BOOT.COM can also use the following file names:
- TMPE6.TMP
- TMPA8.TMP
- TMP2C.TMP
- TMP12B.TMP
- TMP3.TMP
- TMP30.TMP
- TMP37.TMP
- TMP5.TMP
- TMP2A8.TMP
- TMP1D.TMP
- TMP8B9.TMP
- JAH30633.EXE
- TMP1CA.TMP
- TMP82.TMP
- TMP4.TMP
- RESYCLED/BOOT.COM
- DD7986.COM
- 31520.EXE
- DE77.EXE
Filesizes
The following file size has been seen:
- 30,208 bytes
- 20,480 bytes
- 18,831 bytes
- 31,232 bytes
- 18,432 bytes
- 41,472 bytes
- 35,840 bytes
File Type
The filename BOOT.COM refers to many versions of an executable program.
File Activity
One or more files with the name BOOT.COM creates, deletes, copies or moves the following files and folders:
- Creates c:\docume~1\user\locals~1\temp\tmp7.tmp
- Copies file\\?\globalroot\systemroot\system32\advapi32.dll to c:\docume~1\user\locals~1\temp\tmp9.tmp
- Deletes c:\docume~1\user\locals~1\temp\tmp9.tmp
- Deletes c:\docume~1\user\locals~1\temp\tmp7.tmp
Website Activity
One or more files with the name BOOT.COM interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- Port 80 IP:78.157.142.108
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