Threat Profile: Ultrasurf!a6a5f4cb95dd

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 7/6/2009
Date Added: 7/6/2009
Origin: Unknown
Length: 1630208
Type: Program
Subtype: -
DAT Required: 5667
Removal Instructions
   
 
 
   

Description

McAfee® Avert® Labs recognizes that this program may have legitimate uses in contexts where an authorized administrator has knowingly installed this application. If you agreed to a license agreement for this or another bundled application, you may have legal obligations with regard to removing this software, or to using the host application without this software. Please contact the software vendor for further information.

See https://vil.nai.com/vil/DATReadme.aspx for a list of program detections added to the DATs.

See https://vil.nai.com/vil/pups/configuration.aspx for information about how to enable, disable, and exclude the detection of legitimately installed programs.

This software is not a virus or a Trojan. It is detected as a "potentially unwanted program" (PUP). PUPs are any piece of software that a reasonably security- or privacy-minded computer user may want to be informed of and, in some cases, remove. PUPs are often made by a legitimate corporate entity for some beneficial purpose, but they alter the security state of the computer on which they are installed, or the privacy posture of the user of the system, such that most users will want to be aware of them.

Symptoms

This symptoms of this detection are the files, registry, and network communication referenced in the characteristics section.

Method

This is not a virus or Trojan. PUPs do not "infect" systems. They may be installed by a user individually or possibly as a part of a software package (in a bundle, for example).

   

Virus Characteristics

This software is not a virus or a Trojan. It is detected as a "potentially unwanted program" (PUP). PUPs are any piece of software that a reasonably security- or privacy-minded computer user may want to be informed of and, in some cases, remove. PUPs are often made by a legitimate corporate entity for some beneficial purpose, but they alter the security state of the computer on which they are installed, or the privacy posture of the user of the system, such that most users will want to be aware of them.

File PropertyProperty Value
FileNameultra_surf_9.9_by_owl.exe
McAfee ArtemisArtemis!a6a5f4cb95dd
McAfee DetectionUltrasurf
Length1,630,208 bytes
CRC1F67AFF1
MD5A6A5F4CB95DD78008547E822CB0DFD65
SHA14AD1646171CE4C1317FB0B5A8A5C5B1A56225582

Other Common Detection Aliases

Company NameDetection Name
AVG (GriSoft)Tool.DE (potentially harmful program)
AviraTR/Gendal.1630208
BitDefenderApplication.Tool.2800
clamavAdware.Ultrasurf
EsetWin32/WinterLove.CY trojan
FortiNetMisc/Ultrasurf
F-ProtW32/Trojan2.UDW
SymantecInfostealer.Tarno.B
Trend MicroPAK_Generic.001
vba32Backdoor.Win32.WinterLove.cy

System Changes

These are general defaults for typical path variables. (Although they may differ, these examples are common.):
%WinDir% = \WINDOWS (Windows 9x/ME/XP/Vista), \WINNT (Windows NT/2000)
%SystemDir% = \WINDOWS\SYSTEM (Windows 98/ME), \WINDOWS\SYSTEM32 (Windows XP/Vista), \WINNT\SYSTEM32 (Windows NT/2000)
%ProgramFiles% = \Program Files

The following files were analyzed:

  • %USERPROFILE%\local settings\temp\ultra_surf_9.9_by_owl.exe
  • The following registry elements have been changed:

  • HKEY_CURRENT_USER\Software\Microsoft\Windows\currentversion\internet settings\
    • ~zaknlzh = 223
    • proxyoverride = local
    • proxyserver = 127.0.0.1:9666
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\currentversion\internet settings\zones\3\
    • 1c00 = 0
    • currentlevel = 0
  •    

    All Users:

    Please use the following instructions for all supported versions of Windows to remove threats and other potential risks:

    1.Disable System Restore .

    2.Update to current engine and DAT files for detection and removal.

    3.Run a complete system scan.

    Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).

    1. Please go to the Microsoft Recovery Console and restore a clean MBR.

    On windows XP:

    Insert the Windows XP CD into the CD-ROM drive and restart the computer.
    When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
    Select the Windows installation that is compromised and provide the administrator password
    Issue 'fixmbr' command to restore the Master Boot Record
    Follow onscreen instructions
    Reset and remove the CD from CD-ROM drive.


    On Windows Vista and 7:

    Insert the Windows CD into the CD-ROM drive and restart the computer.
    Click on "Repair Your Computer"
    When the System Recovery Options dialog comes up, choose the Command Prompt.
    Issue 'bootrec /fixmbr' command to restore the Master Boot Record
    Follow onscreen instructions
    Reset and remove the CD from CD-ROM drive.

       

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