Prevx Research Division
AM.EXE
Malicious SoftwareFree PC Cleanup from Webroot
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Associated Malware Groups
The unsafe files using this name are associated with the malware group:
- Malicious Software
File Behavior
AM.EXE 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
- Writes to another Process's Virtual Memory (Process Hijacking)
- Violates Windows/Vista Physical Memory Protection allowing it to look inside the data areas of other programs
- This Process Deletes Other Processes From Disk
- Terminates Processes
- Executes a Process
- Registers a Dynamic Link Library File
- Injects code into other processes
- Adds a Registry Key (RUN) to auto start Programs on system start up
- Drops known malicious software during execution
- Modifies fixed, removable or USB drives using autorun to execute or spread infection
- Found on infected systems and resists interrogation by security products
- Creates new folders on the system
- Hooks the WININET.DLL function allowing it to read or copy Http and Https web page content and session information
- Copies files
AM.EXE has been the subject of the following behavior:
- Added as a Registry auto start to load Program on Boot up
- Changes to the file command map within the registry
- Executed from Temporary Folders
- Created as a process on disk
- Has code inserted into its Virtual Memory space by other programs
- Terminated as a Process
- Executed as a Process
- Deleted as a process from disk
- Registered as a Dynamic Link Library File
- Copied to multiple locations on the system
- This program is often downloaded from the web
Country Of Origin
The filename AM.EXE was first seen on May 13 2007 in the following geographical regions of the Webroot community:
- The United States on May 13 2007
- Europe on Sep 24 2009
- Uruguay on Sep 24 2009
- Ecuador on Mar 1 2010
- The United Arab Emirates on Mar 1 2010
- The United Kingdom on Apr 2 2010
- Algeria on May 2 2010
- Brazil on May 2 2010
- India on May 28 2010
File Name Aliases
AM.EXE can also use the following file names:
- Q0WFR.EXE
- AUTORUN.INF
- WSCRIPT.EXE
- UPDATE_6A56.EXE
- HERSS.EXE
- W9UXX92.EXE
- CQB6WO.EXE
- BYCFHT.EXE
- DPLTDE~1.EXE
- P3VWXX.EXE
- DSOQQ.EXE
- DPLPRI~1.EXE
- VGYN6EWC.EXE
- DQM.EXE
- PBYQFN.EXE
- Y6CQB2IS.EXE
- WCGSWA.EXE
- SP1JENSI.EXE
- RG9G9BGQ.EXE
- B00IJWPU.EXE
- B4F2FC~1.EXE
- A3DC8E~1.EXE
- WRSF.EXE
- MJE12TNI.EXE
- C57D4E~1.EXE
- T2HJO0.EXE
- YCVVJ.EXE
- RPW.EXE
- NODQQ.EXE
- S1.EXE
- E14854~1.EXE
- F868F6~1.EXE
- R2G20.EXE
- EE1149~1.EXE
- BU8.EXE
- K1D.EXE
Filesizes
The following file size has been seen:
- 114,688 bytes
- 111,997 bytes
- 11,881,480 bytes
- 96,768 bytes
- 112,128 bytes
- 116,224 bytes
- 681,472 bytes
- 7,825 bytes
File Type
The filename AM.EXE is used by multiple object types including executable programs,objects.
File Activity
One or more files with the name AM.EXE creates, deletes, copies or moves the following files and folders:
- Deletes c:\docume~1\user\locals~1\temp\herss.exe
- Deletes c:\docume~1\user\locals~1\temp\cvasds0.dll
- Creates c:\docume~1\user\locals~1\temp\cvasds0.dll
- Deletes c:\w9uxx92.ex
- Copies filec:\docume~1\user\locals~1\temp\herss.exe to c:\w9uxx92.ex
- Deletes c:\autorun.in
- Creates c:\autorun.in
- Deletes d:\w9uxx92.ex
- Copies filec:\docume~1\user\locals~1\temp\herss.exe to d:\w9uxx92.ex
- Deletes d:\autorun.in
- Creates d:\autorun.in
- Deletes c:\docume~1\user\locals~1\temp\am1.rar
- Deletes c:\docume~1\user\locals~1\temp\am.ex
- Opens/modifes c:\autoexec.bat
- Creates c:\docume~1\user\locals~1\temp\am1.rar
- Deletes c:\docume~1\user\locals~1\temp\am.exe
- Creates c:\docume~1\user\locals~1\temp\am.exe
- Copies filec:\docume~1\user\locals~1\temp\am.exe to c:\docume~1\user\locals~1\temp\herss.exe
- Deletes c:\docume~1\user\locals~1\temp\cvasds1.dll
- Creates c:\docume~1\user\locals~1\temp\cvasds1.dll
Website Activity
One or more files with the name AM.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- TCP:127.0.0.1:1097 Port:18
- Port 80 IP:218.59.144.135
- TCP:127.0.0.1:1105 Port:18
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