Prevx Research Division
SYSTASK.EXE
Malware DropperFree PC Cleanup from Webroot
Use Webroot SecureAnywhere to remove SYSTASK.EXE.
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Associated Malware Groups
The unsafe files using this name are associated with the malware group:
- Malware Dropper
File Behavior
SYSTASK.EXE has been seen to perform the following behavior:
- Writes to another Process's Virtual Memory (Process Hijacking)
- Executes a Process
- Copies files
- This Process Deletes Other Processes From Disk
- Found on infected systems and resists interrogation by security products
- The Process is packed and/or encrypted using a software packing process
- This process creates other processes on disk
- The Process is polymorphic and can change its structure
- This Process Contains User Mode Rootkit Functionality and can hide itself from the running process list
- Adds a Registry Key (RUN) to auto start Programs on system start up
- Registers a Dynamic Link Library File
SYSTASK.EXE has been the subject of the following behavior:
- Created as a process on disk
- Executed as a Process
- Has code inserted into its Virtual Memory space by other programs
- Added as a Link in the Start Menu
- Deleted as a Link in the Start Menu
- Deleted as a process from disk
- Added as a Registry auto start to load Program on Boot up
Country Of Origin
The filename SYSTASK.EXE was first seen on Jun 4 2007 in the following geographical regions of the Webroot community:
- Europe on Jun 4 2007
- Greece on Jun 4 2007
- Japan on Oct 1 2007
- Spain on Oct 1 2007
- The United States on Jul 7 2010
- Australia on Jul 7 2010
File Name Aliases
SYSTASK.EXE can also use the following file names:
- EDAC72A8[1].EXE
- PDFUPD.EXE
- EXPLORER[1].EXE
- KHARAJ-10.EXE
- HALLO.EXE
- KENANGAN.EXE
- MISTERY.EXE
- SYSCRON.EXE
- SERVICES.EXE
- E.EXE
Filesizes
The following file size has been seen:
- 6,144 bytes
- 61,960 bytes
- 28,672 bytes
- 56,832 bytes
- 20,480 bytes
File Type
The filename SYSTASK.EXE is used by multiple object types including objects,executable programs.
File Activity
One or more files with the name SYSTASK.EXE creates, deletes, copies or moves the following files and folders:
- Creates c:\docume~1\user\locals~1\temp\tic.ico
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