Prevx Research Division
J3EWRO.EXE
Cloaked MalwareFree PC Cleanup from Webroot
Use Webroot SecureAnywhere to remove J3EWRO.EXE.
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Associated Malware Groups
The unsafe files using this name are associated with the malware group:
- Cloaked Malware
File Behavior
J3EWRO.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- This Process Deletes Other Processes From Disk
- Adds a Registry Key (RUN) to auto start Programs on system start up
- This process creates other processes on disk
- Writes to another Process's Virtual Memory (Process Hijacking)
- Registers a Dynamic Link Library File
- Executes a Process
- Injects code into other processes
- Creates a new Background Service on the machine
- Loads and Executes a System Driver File
- This Process is a file infector which modifies program files to include a copy of the infection
- Copies files
- Drops known malicious software during execution
- Modifies fixed, removable or USB drives using autorun to execute or spread infection
J3EWRO.EXE has been the subject of the following behavior:
- Executed as a Process
- Created as a process on disk
- Has code inserted into its Virtual Memory space by other programs
- Added as a Registry auto start to load Program on Boot up
- Deleted as a process from disk
- Copied to multiple locations on the system
- This program is often downloaded from the web
- Executed from Temporary Folders
- Terminated as a Process
- Created as a new Background Service on the machine
- Loaded and Executed as a System Driver File
Country Of Origin
The filename J3EWRO.EXE was first seen on Jul 26 2008 in the following geographical regions of the Webroot community:
- Spain on Jul 26 2008
- Taiwan on Aug 14 2008
- on Aug 14 2008
- Argentina on Sep 16 2008
File Name Aliases
J3EWRO.EXE can also use the following file names:
- NW0T1L0D.EXE
- JG6W3YX.COM
- FILPP.SYS
- DPTKQO~1.CMD
- FF.EXE
- 3JKKA91.COM
- 1IRQTV.CMD
Filesizes
The following file size has been seen:
- 102,746 bytes
- 114,821 bytes
- 105,824 bytes
- 140,288 bytes
- 8,368 bytes
- 118,362 bytes
File Type
The filename J3EWRO.EXE is used by multiple object types including executable programs,objects.
File Activity
One or more files with the name J3EWRO.EXE creates, deletes, copies or moves the following files and folders:
- Creates c:\windows\system32\drivers\klif.sys
- Deletes c:\windows\system32\drivers\klif.sys
- Deletes c:\windows\system32\j3ewro.exe
- Deletes c:\windows\system32\jwedsfdo0.dll
- Creates c:\windows\system32\jwedsfdo0.dll
- Deletes c:\3jkka91.co
- Copies filec:\windows\system32\j3ewro.exe to c:\3jkka91.co
- Deletes c:\autorun.in
- Creates c:\autorun.in
- Deletes d:\3jkka91.co
- Copies filec:\windows\system32\j3ewro.exe to d:\3jkka91.co
- Deletes d:\autorun.in
- Creates d:\autorun.in
- Deletes c:\docume~1\user\locals~1\temp\cc1.rar
- Deletes c:\docume~1\user\locals~1\temp\cc.ex
- Deletes c:\docume~1\user\locals~1\temp\ff1.rar
- Opens/modifes c:\autoexec.bat
- Creates c:\docume~1\user\locals~1\temp\cc1.rar
- Deletes c:\docume~1\user\locals~1\temp\cc.exe
- Creates c:\docume~1\user\locals~1\temp\cc.exe
- Deletes c:\windows\system32\kxvo.exe
- Copies filec:\docume~1\user\locals~1\temp\cc.exe to c:\windows\system32\kxvo.exe
- Deletes c:\windows\system32\kxvo0.dll
- Creates c:\windows\system32\kxvo0.dll
- Creates c:\docume~1\user\locals~1\temp\ff1.rar
- Deletes c:\docume~1\user\locals~1\temp\ff.exe
- Creates c:\docume~1\user\locals~1\temp\ff.exe
- Copies filec:\docume~1\user\locals~1\temp\ff.exe to c:\windows\system32\j3ewro.exe
- Deletes c:\windows\system32\jwedsfdo1.dll
- Creates c:\windows\system32\jwedsfdo1.dll
Website Activity
One or more files with the name J3EWRO.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- TCP:127.0.0.1:1091 Port:19
- Port 80 IP:61.162.230.87
- TCP:127.0.0.1:1093 Port:19
- TCP:127.0.0.1:1096 Port:19
- TCP:127.0.0.1:1098 Port:19
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