Prevx Research Division
SOFT[1].EXE
Malware DropperFree PC Cleanup from Webroot
Use Webroot SecureAnywhere to remove SOFT[1].EXE.
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Associated Malware Groups
The filename is associated with the malware group:
- Malware Dropper
File Behavior
SOFT[1].EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Executes a Process
- This Process Deletes Other Processes From Disk
- This process creates other processes on disk
- Executes Processes stored in Temporary Folders
- Copies files
- Downloads program file(s) and other content from the web
- Registers a Dynamic Link Library File
- The Process is polymorphic and can change its structure
- Writes to another Process's Virtual Memory (Process Hijacking)
- Injects code into other processes
- Found on infected systems and resists interrogation by security products
SOFT[1].EXE has been the subject of the following behavior:
- Created as a process on disk
- Executed from Temporary Folders
- Has code inserted into its Virtual Memory space by other programs
- Executed as a Process
- Added as a Registry Key (DXCOM) to auto start Programs on system start up
Country Of Origin
The filename SOFT[1].EXE was first seen on Jan 6 2008 in the following geographical regions of the Webroot community:
- Spain on Jan 6 2008
- Canada on Apr 11 2008
- Argentina on Jun 20 2010
- The United Kingdom on Jun 20 2010
- The United States on Aug 27 2010
- Philippines on Sep 22 2011
- Thailand on May 11 2012
File Name Aliases
SOFT[1].EXE can also use the following file names:
- SOFT[n].EXE
- SOFT.EXE
- UDA.EXE
- DC-UNLOCKER_CLIENT-1.00.0136[1].EXE
- SOFT_001.EXE
- SOFT_002.EXE
- ZEUS_BINARY_7E3569B4E3B15F342329358F833F84BA.EXE
- 1.EXE
- 4.TMP
- 61.TMP
- 696A.TMP
- 5B5F.TMP
Filesizes
The following file size has been seen:
- 90,038 bytes
- 376,832 bytes
- 475,136 bytes
- 13,312 bytes
- 124,675 bytes
- 6,191,236 bytes
- 68,608 bytes
File Type
The filename SOFT[1].EXE refers to many versions of an executable program.
File Activity
One or more files with the name SOFT[1].EXE creates, deletes, copies or moves the following files and folders:
- Creates c:\docume~1\user\locals~1\temp\A9-tmp
- Copies filec:\docume~1\user\locals~1\temp\A9-tmp to c:\docume~1\user\locals~1\temp\A9-tmp.exe
- Deletes c:\docume~1\user\locals~1\temp\A9-tmp.exe
- Deletes c:\docume~1\user\locals~1\temp\A9-tmp
- Creates c:\smp.bat
- Opens/modifes c:\autoexec.bat
- Creates c:\docume~1\user\locals~1\temp\A9-tmpaoi.exe
- Creates c:\windows\NOHOUOBILOO
- Copies filec:\windows\NOHOUOBILOO to c:\windows\sofos32x.dll
- Deletes c:\windows\NOHOUOBILOO
Website Activity
One or more files with the name SOFT[1].EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- TCP:127.0.0.1:1081 Port:15
- Port 80 IP:78.129.166.35
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