File Investigation Report
XRG4.EXEMalware Dropper
Your PC may be infected. The presence of a file called XRG4.EXE is a possible sign of infection.
You should urgently check your PC to make sure it is not infected. The free version of Prevx CSI will scan your PC in less than two minutes and check for millions of spyware and malware infections including XRG4.EXE. Don't put your confidential data, or your identity at risk, check your PC now with Prevx CSI.
Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- Malware Dropper
- Cloaked Malware
File Behavior
XRG4.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 creates other processes on disk
- Adds products to the system registry
- This Process Deletes Other Processes From Disk
- Registers a Dynamic Link Library File
- Creates new file extentions so that Internet Explorer will automatically open and potentially execute additional file types
- Changes the Internet Explorer Search Page
- Creation and Registration of a Browser Helper Object in Internet Explorer
- Can communicate with other computer systems using HTTP protocols
- Writes to another Process's Virtual Memory (Process Hijacking)
- Adds a Registry Key (EXPLORER) to auto start Programs on system start Boot up
- Enables an In Process Object/Server - Common with DLL Injections
XRG4.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
- Deleted as a process from disk
- Terminated as a Process
Country Of Origin
The filename XRG4.EXE was first seen on Sep 2 2008 in the following geographical regions of the Prevx community:
- The UNITED STATES on Sep 2 2008
- SPAIN on Sep 2 2008
- BELGIUM on Sep 18 2008
- NEW ZEALAND on Nov 26 2008
File Name Aliases
XRG4.EXE can also use the following file names:
- XRG2.EXE
- 04174783.SVD
- 88167901.SVD
- XRG1.EXE
- BB9EA720-9B4E-4A54-BA27-6EE1ED4DEAE9_XRG2.EXE
- 45993547.SVD
- XRG3.EXE
- XRG0.EXE
Filesizes
The following file size has been seen:
- 10,096 bytes
- 27,136 bytes
- 43,008 bytes
- 22,528 bytes
Vendor, Product and Version Information
These files have no vendor, product or version information specified in the file header.
File Type
The filename XRG4.EXE refers to many versions of an executable program.
File Activity
One or more files with the name XRG4.EXE creates, deletes, copies or moves the following files and folders:
- create folder C:\Program Files\Applications
- Deletes c:\program files\applications\iebtm.ex
- Creates c:\program files\applications\iebtm.exe
- Creates c:\program files\applications\iebtu.exe
- Creates c:\docume~1\user\locals~1\temp\n5er0.bat
- Creates c:\program files\applications\iebt.dll
- Creates c:\program files\applications\iebtmm.exe
- Deletes c:\docume~1\user\locals~1\temp\n5er0.bat
Registry Activity
One or more files with the name XRG4.EXE creates or modifies the following registry keys and values:
- HKEY_CURRENT_USER\Software\Applications 65333 about:blank
- HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\SearchScopes\{DAED9266-8C28-4C1C-8B58-5C66EFF1D302} DisplayName Search
- HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\SearchScopes\{DAED9266-8C28-4C1C-8B58-5C66EFF1D302} URL http://www.qwertysrch.com/index.php?b=1&t=0&q={searchTerms}
- HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\SearchScopes DefaultScope {DAED9266-8C28-4C1C-8B58-5C66EFF1D302}