SRV.EXE, Prevx

Associated Malware Groups

The unsafe files using this name are associated with the malware group:

Malicious Software

File Behavior

SRV.EXE has been seen to perform the following behavior:

Enables a COM Object/Server on the Local Machine
Can communicate with other computer systems using HTTP protocols
Can communicate with other computers using TCP protocols
Registers a Dynamic Link Library File
This process creates other processes on disk
This Process Deletes Other Processes From Disk
Adds products to the system registry
Creates a Toolbar Extension for Internet Explorer
Makes outbound connections to other computers using NETBIOSOUT protocols
Executes a Process
Writes to another Process's Virtual Memory (Process Hijacking)
This Process is a file infector which modifies program files to include a copy of the infection
Drops known malicious software during execution
Includes file creation code which could be used to test for interception by security products
Reads your outlook address book
Enables the system to use a Communications Proxy Server
Executes Processes stored in Temporary Folders
The process hooks code into all running processes which could allow it to take control of the system or record keyboard input, mouse activity and screen contents
Modifies Windows Initialization And System Settings Used On Start up
Copies files
Changes the Windows Security Center to stop Antivirus status alerts from being displayed
Changes the Windows Security Center to stop Firewall status alerts from being displayed
Changes the Windows Security Center to stop Firewall override alerts from being displayed
Changes the Windows Security Center to stop warnings from being displayed if automatic Windows Updates are not enabled
Modifies firewall settings, without user permission so it is not blocked from accessing the Internet
Disables safe mode on your PC
Injects code into other processes
Creates a new Background Service on the machine
The Process is packed and/or encrypted using a software packing process
Performs DNS look ups to resolve URL IP addresses
Found on infected systems and resists interrogation by security products
Uses low level functions to hide itself from the user and from system/security processes

SRV.EXE has been the subject of the following behavior:

Executed as a Process
Created as a process on disk
Enabled as a COM Object/Server on the Local Machine
Has code inserted into its Virtual Memory space by other programs
Victim of a Heap Based Buffer Overflow Exploit
Deleted as a process from disk
Registered as a Dynamic Link Library File
Created by processes which appear to be checking for interception by security products
Terminated as a Process
Added as a Registry auto start to load Program on Boot up

Country Of Origin

The filename SRV.EXE was first seen on Jun 26 2007 in the following geographical regions of the Webroot community:

Malaysia on Jun 26 2007
Turkey on Jun 26 2007
Uruguay on Aug 2 2007
on Aug 2 2007
Vietnam on Dec 1 2009
The United Kingdom on Dec 1 2009
South Africa on Feb 7 2011
Indonesia on Feb 7 2011

File Name Aliases

SRV.EXE can also use the following file names:

SERV8[1].EXE
SERV8.EXE
SERV.EXE
BNET.EXE
SERV___0.EXE
DQ.EXE
SRV.EX
8E6FFDB6-C1B0-4C63-B6B2-9CE8CA
DC36.EXE
SEEKMO
28990239.NAB

Filesizes

The following file size has been seen:

562,440 bytes
524,169 bytes
546,064 bytes
3,058,688 bytes
69,216 bytes

File Type

The filename SRV.EXE refers to many versions of an executable program.

File Activity

One or more files with the name SRV.EXE creates, deletes, copies or moves the following files and folders:

create folder C:\WINDOWS\uninstall\
Creates c:\windows\uninstall\rundl132.exe
Creates c:\windows\Logo1_.exe
Deletes c:\docume~1\user\locals~1\temp\$$aA.bat
Creates c:\docume~1\user\locals~1\temp\$$aA.bat
Creates c:\windows\RichDll.dll
Creates c:\_desktop.ini
Deletes c:\PREVXEDGEFREE.EXE
Creates c:\PREVXEDGEFREE.EXE
Moves c:\PREVXEDGEFREE.EXE to c:\PREVXEDGEFREE.EXE
Deletes c:\mbr\RawReader.exe
Creates c:\mbr\RawReader.exe
Moves c:\mbr\RawReader.exe to c:\mbr\RawReader.exe
Deletes c:\mbr\scan.exe
Creates c:\mbr\scan.exe
Moves c:\mbr\scan.exe to c:\mbr\scan.exe
Deletes c:\program files\compaq\setrefresh\SetRefresh.exe
Creates c:\program files\compaq\setrefresh\SetRefresh.exe
Moves c:\program files\compaq\setrefresh\SetRefresh.exe to c:\program files\compaq\setrefresh\SetRefresh.exe
Deletes c:\program files\hewlett-packard\HPQSI.EXE
Creates c:\program files\hewlett-packard\HPQSI.EXE
Moves c:\program files\hewlett-packard\HPQSI.EXE to c:\program files\hewlett-packard\HPQSI.EXE
Deletes c:\program files\hewlett-packard\sdp\HPRun.exe
Creates c:\program files\hewlett-packard\sdp\HPRun.exe
Moves c:\program files\hewlett-packard\sdp\HPRun.exe to c:\program files\hewlett-packard\sdp\HPRun.exe
Deletes c:\program files\hewlett-packard\sdp\WC.exe
Creates c:\program files\hewlett-packard\sdp\WC.exe
Moves c:\program files\hewlett-packard\sdp\WC.exe to c:\program files\hewlett-packard\sdp\WC.exe
Deletes c:\program files\intel\ncs2\wmiprov\ncs2prov.exe
Creates c:\program files\intel\ncs2\wmiprov\ncs2prov.exe
Moves c:\program files\intel\ncs2\wmiprov\ncs2prov.exe to c:\program files\intel\ncs2\wmiprov\ncs2prov.exe
Deletes c:\program files\intel\ncs2\wmiprov\NCSDiag.exe
Creates c:\program files\intel\ncs2\wmiprov\NCSDiag.exe
Moves c:\program files\intel\ncs2\wmiprov\NCSDiag.exe to c:\program files\intel\ncs2\wmiprov\NCSDiag.exe
Deletes c:\program files\java\jre1.6.0_02\bin\java-rmi.exe
Creates c:\program files\java\jre1.6.0_02\bin\java-rmi.exe
Moves c:\program files\java\jre1.6.0_02\bin\java-rmi.exe to c:\program files\java\jre1.6.0_02\bin\java-rmi.exe
Deletes c:\program files\java\jre1.6.0_02\bin\java.exe
Creates c:\program files\java\jre1.6.0_02\bin\java.exe
Moves c:\program files\java\jre1.6.0_02\bin\java.exe to c:\program files\java\jre1.6.0_02\bin\java.exe
Deletes c:\program files\java\jre1.6.0_02\bin\javacpl.exe
Creates c:\program files\java\jre1.6.0_02\bin\javacpl.exe
Moves c:\program files\java\jre1.6.0_02\bin\javacpl.exe to c:\program files\java\jre1.6.0_02\bin\javacpl.exe
Deletes c:\program files\java\jre1.6.0_02\bin\javaw.exe
Creates c:\program files\java\jre1.6.0_02\bin\javaw.exe
Moves c:\program files\java\jre1.6.0_02\bin\javaw.exe to c:\program files\java\jre1.6.0_02\bin\javaw.exe
Deletes c:\program files\java\jre1.6.0_02\bin\javaws.exe
Creates c:\program files\java\jre1.6.0_02\bin\javaws.exe
Moves c:\program files\java\jre1.6.0_02\bin\javaws.exe to c:\program files\java\jre1.6.0_02\bin\javaws.exe
Deletes c:\program files\java\jre1.6.0_02\bin\jucheck.exe

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SRV.EXE

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