PUA.SIViewer

PUA.SIViewer

Updated:
January 02, 2018
Infection Length:
Varies
Name:
SI viewer
Version:
1.1.0.11
Publisher:
EVANGEL
Risk Impact:
Low
Systems Affected:
Windows

Behavior

PUA.OZip is a potentially unwanted application that changes the user's homepage settings.

Antivirus Protection Dates

  • Initial Rapid Release version November 21, 2017
  • Latest Rapid Release version February 07, 2018 revision 032
  • Initial Daily Certified version November 21, 2017
  • Latest Daily Certified version February 08, 2018 revision 007
  • Initial Weekly Certified release date November 22, 2017
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
When the application is executed, it creates the following folders:
    • %AllUsersProfile%\Application Data\Application Data\Application Data\Start Menu\Programs\SIViewer
    • %AllUsersProfile%\Application Data\Application Data\Microsoft\Windows\Start Menu\Programs\SIViewer
    • %AllUsersProfile%\Application Data\Application Data\Start Menu\Programs\SIViewer
    • %AllUsersProfile%\Application Data\Microsoft\Windows\Start Menu\Programs\SIViewer
    • %AllUsersProfile%\Application Data\Start Menu\Programs\SIViewer
    • %AllUsersProfile%\Microsoft\Windows\Start Menu\Programs\SIViewer
    • %AllUsersProfile%\Start Menu\Programs\SIViewer
    • %AllUsersProfile%\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Start Menu\Programs\SIViewer
    • %AllUsersProfile%\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Microsoft\Windows\Start Menu\Programs\SIViewer
    • %SystemDrive%\ProgramData\Application Data\Start Menu\Programs\SIViewer
    • %SystemDrive%\ProgramData\Microsoft\Windows\Start Menu\Programs\SIViewer
    • %SystemDrive%\ProgramData\Application Data\Application Data\Start Menu\Programs\SIViewer
    • %SystemDrive%\ProgramData\Application Data\Microsoft\Windows\Start Menu\Programs\SIViewer
    • %SystemDrive%\ProgramData\Application Data\Application Data\Application Data\Start Menu\Programs\SIViewer
    • %SystemDrive%\ProgramData\Application Data\Application Data\Microsoft\Windows\Start Menu\Programs\SIViewer

    The application then creates the following registry entries:
    • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SIViewer\"DisplayName" = "SIViewer(Image Viewer)"
    • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SIViewer\"DisplayIcon" = "%ProgramFiles%\SIViewer\SIVUninstall.exe"
    • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SIViewer\"UninstallString" = "%ProgramFiles%\SIViewer\SIVUninstall.exe"
    • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SIViewer\"InstallLocation" = "%ProgramFiles%\SIViewer"

    The application is a software for reading and viewing images, and viewing and splitting animated GIFs.







    The application changes the user's homepage settings to start.sivieewer.com and adds a browser extension.

    You may have arrived at this page either because you have been alerted by your Symantec product about this risk, or you are concerned that your computer has been affected by this risk.

    Before proceeding further we recommend that you run a full system scan . If that does not resolve the problem you can try one of the options available below.



    FOR NORTON USERS
    If you are a Norton product user, we recommend you try the following resources to remove this risk.


    Removal Tool

    If you have an infected Windows system file, you may need to replace it using the Windows installation CD .


    How to reduce the risk of infection
    The following resources provide further information and best practices to help reduce the risk of infection.



    FOR BUSINESS USERS
    If you are a Symantec business product user, we recommend you try the following resources to remove this risk.


    Identifying and submitting suspect files
    Submitting suspicious files to Symantec allows us to ensure that our protection capabilities keep up with the ever-changing threat landscape. Submitted files are analyzed by Symantec Security Response and, where necessary, updated definitions are immediately distributed through LiveUpdate™ to all Symantec end points. This ensures that other computers nearby are protected from attack. The following resources may help in identifying suspicious files for submission to Symantec.


    Removal Tool

    If you have an infected Windows system file, you may need to replace it using the Windows installation CD .


    How to reduce the risk of infection
    The following resource provides further information and best practices to help reduce the risk of infection.
    Protecting your business network



    MANUAL REMOVAL
    The following instructions pertain to all current Symantec antivirus products.


    1. Performing a full system scan
    How to run a full system scan using your Symantec product


    2. Restoring settings in the registry
    Many risks make modifications to the registry, which could impact the functionality or performance of the compromised computer. While many of these modifications can be restored through various Windows components, it may be necessary to edit the registry. See in the Technical Details of this writeup for information about which registry keys were created or modified. Delete registry subkeys and entries created by the risk and return all modified registry entries to their previous values.