Prevx Research Division
BN1.TMP
Cloaked MalwareFree PC Cleanup from Webroot
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Associated Malware Groups
The filename is associated with the malware groups:
- Cloaked Malware
- Malicious Software
File Behavior
BN1.TMP has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Writes to another Process's Virtual Memory (Process Hijacking)
- Automatically changes your firewall settings to allow itself or other programs to communicate over the internet
- Executes a Process
- Injects code into other processes
- Adds a Winlogon Notification DLL to automatically load on system start up
- Creates a new Background Service on the machine
- This process creates other processes on disk
- Found on infected systems and resists interrogation by security products
BN1.TMP has been the subject of the following behavior:
- Executed as a Process
- Has code inserted into its Virtual Memory space by other programs
- Executed from Temporary Folders
- Terminated as a Process
- Added as a Registry auto start to load Program on Boot up
- Deleted as a process from disk
- Created as a process on disk
Country Of Origin
The filename BN1.TMP was first seen on Jan 15 2008 in the following geographical regions of the Webroot community:
- Spain on Jan 15 2008
- Ecuador on Jan 15 2008
- on Apr 8 2008
- Canada on Aug 12 2008
- Saudi Arabia on Nov 10 2009
- Brazil on Nov 10 2009
- Mexico on Jun 29 2010
- Germany on Jun 29 2010
- France on May 16 2011
File Name Aliases
BN1.TMP can also use the following file names:
- BNA.TMP
- BN5.TMP
- BN12.TMP
- BN11.TMP
- BN7.TMP
- BN2.TMP
- BN4.TMP
- 01C8FC69B36A4E40_FILE[1]_EXE.PE
- 01C8FC69B3844870_LZHBKZC_EXE.PE
- 01C8FC69B4C3A6A0_BN7_TMP.PE
- 01C8FC69B9903960_~_EXE.PE
- 01C8FC69B9F82220_LOAD[2].PE
- 01C8FC6A725979B0_BN1_TMP.PE
- 01C8FCD72647D38E_FILE[2]_EXE.PE
- 01C8FCD7264A35E8_LZHBKZC_EXE.PE
- 01C8FCD728414616_~_EXE.PE
- 01C8FCD72843A870_LOAD[2].PE
- 01C8FCD728D2B588_BN8_TMP.PE
- 133640.EXE
- 153741.EXE
- BN9.TMP
- 12845097.TMP
Filesizes
The following file size has been seen:
- 71,680 bytes
- 120,320 bytes
- 36,864 bytes
- 41,984 bytes
- 1,211,963 bytes
- 30,720 bytes
- 31,744 bytes
File Type
The filename BN1.TMP refers to many versions of an executable program.
File Activity
One or more files with the name BN1.TMP creates, deletes, copies or moves the following files and folders:
- Creates c:\windows\system32\WLCtrl32.dll
- Creates c:\windows\system32\drivers\Mlx01.sys
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