Prevx Research Division
A03.EXE
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
- Malicious Software
File Behavior
A03.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
- Executes a Process
- Writes to another Process's Virtual Memory (Process Hijacking)
- This Process Deletes Other Processes From Disk
- The process hooks code into all running processes which could allow it to take control of the system or record keyboard input, mouse activity and screen contents
- Registers a Dynamic Link Library File
- Injects code into other processes
- Enables an In Process Object/Server - Common with DLL Injections
- Drops known malicious software during execution
- Adds a Registry Key (EXPLORER) to auto start Programs on system start Boot up
- Found on infected systems and resists interrogation by security products
- Uses low level functions to hide itself from the user and from system/security processes
- Deletes an ActiveX component
- Adds an ActiveX component changing or modifying the function of your browser
A03.EXE has been the subject of the following behavior:
- Executed by Internet Explorer
- Created as a process on disk
- Deleted as a process from disk
- Has code inserted into its Virtual Memory space by other programs
- Executed from Temporary Folders
- Executed as a Process
Country Of Origin
The filename A03.EXE was first seen on Sep 6 2007 in the following geographical regions of the Webroot community:
- Korea, Republic of on Sep 6 2007
- Spain on Apr 25 2009
- Russian Federation on Apr 25 2009
- Turkey on Sep 24 2009
- Indonesia on Apr 29 2010
- The United Kingdom on Apr 29 2010
- Philippines on Dec 24 2011
File Name Aliases
A03.EXE can also use the following file names:
- A03[1].EXE
- A03[n].EXE
- A06[1].EXE
- A5.EXE
- F2.EXE
- CB.EXE
- CF.EXE
- C3.EXE
- DEVICE
- A01.EXE
- ~DFBB.EXE
- A06.EXE
- ~DF28.EXE
- A03.JPG
- ~DF14.EXE
- ~DF16.EXE
- ~DF11.EXE
- 45513725.EXE
- 37681205.DAT
- 32671377.EXE
- 48178215.EXE
Filesizes
The following file size has been seen:
- 24,984 bytes
- 501,990 bytes
- 16,384 bytes
- 19,496 bytes
- 37,893 bytes
- 23,154 bytes
- 30,834 bytes
File Type
The filename A03.EXE is used by multiple object types including executable programs,objects.
File Activity
One or more files with the name A03.EXE creates, deletes, copies or moves the following files and folders:
- Deletes c:\windows\downloaded program files\SvS2DJAqqTvtTYEU.Ttf
- Deletes c:\windows\downloaded program files\SjRjQgREDp3P8B4rEEg.cur
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