Prevx Research Division
B1.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
B1.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Found on infected systems and resists interrogation by security products
- Uses rootkit techniques to conceal its presence, interrogation or removal
- Executes a Process
- Registers a Dynamic Link Library File
- This process creates other processes on disk
- Copies files
- Injects code into other processes
- This Process Deletes Other Processes From Disk
- Creates a new Background Service on the machine
- The Process is polymorphic and can change its structure
- Adds a Registry Key (RUN) to auto start Programs on system start up
B1.EXE has been the subject of the following behavior:
- Created as a process on disk
- Deleted as a process from disk
- Executed as a Process
- Registered as a Dynamic Link Library File
- Created by processes which appear to be checking for interception by security products
- Added as a Registry auto start to load Program on Boot up
Country Of Origin
The filename B1.EXE was first seen on Dec 20 2007 in the following geographical regions of the Webroot community:
- Spain on Dec 20 2007
- Brazil on Jan 4 2008
- Turkey on Jan 28 2010
- The United Kingdom on Jan 28 2010
- South Africa on Dec 5 2011
- Egypt on Dec 5 2011
File Name Aliases
B1.EXE can also use the following file name:
- DCFA.EXE
- DAD3.EXE
- A18[1].EXE
- A09[1].EXE
- D0.EXE
- E4.EXE
- CE.EXE
- DA.EXE
- A9E5.EXE
- F536.EXE
- E6B5.EXE
- DF9155.EXE
- DF9154.EXE
- DF9156.EXE
- ~DF10.EXE
- A18.EXE
- EB5.EXE
- EF41.EXE
- 88D.EXE
- A544.EXE
- B52D.EXE
- A09.EXE
- 82419539.EXE
- 34267724.EXE
Filesizes
The following file size has been seen:
- 190,464 bytes
- 32,561 bytes
- 28,484 bytes
- 64,484 bytes
- 62,557 bytes
- 159,744 bytes
- 186,880 bytes
File Type
The filename B1.EXE is used by multiple object types including executable programs,objects.
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