Antivirus Soft

Antivirus Soft is one of the very hazardous rogue security applications that also serve as ransom-ware. Under deceptive pretences, Antivirus Soft is sometimes installed on computer with users consent. Users may perceive the program as authentic security application due to its attractive graphical user interface. Unknown to many, Antivirus Soft is destructive as its older version called Antivirus Live. The former have infected millions of computers globally while latest variant is expected to be much aggressive.

It was observed that unwanted application suddenly appears on the system as Trojan infection. It used to redirect Internet browser to fake online virus scanner web page which usually dropped the malware when visitors interact with all the prompts and buttons of scan results. Also, infection turns up to be cause by outdated Adobe Acrobat Reader vulnerabilities abuses by malware to gain access on target computer.

When inside the computer, Antivirus Soft virus employs aggressive methods to draw users into having the registered version of the software. It consumes unnecessary pop-up warning and alert messages emerging from any part of the screen. Separately, Antivirus Soft virus scan is exhibited from time to time exhibiting  fake detection of security risks misleading computer users to visit payment website and finally recommend to purchase the licensed version.

Any web sites, pop-up and prompts promoting Antivirus Soft must be totally ignored to prevent this unwanted program. If infection occurs, resort to an effective anti-malware solution as described on this page.

Update: October 29, 2010
New variant of this rogue program was released in the name of Antivirus Suite 2010. Method of propagation remains the same; it can either be via fake online virus scanner, a Trojan or fake multimedia web sites.

Screen Shot Image:

Damage Level: Medium

Systems Affected: Windows 9x, 2000, XP, Vista, Windows 7

Antivirus Soft Removal Procedures

Antivirus Soft REMOVAL TOOL:
In order to completely remove the threat, click here to download and run Malwarebytes Anti-Malware. Sometimes, Trojans will block the downloading and installation of MBAM. If this happens, download it from a clean computer and rename the executable file before executing on the infected computer.

MANUAL REMOVAL PROCEDURE:
1. Press Ctrl+Alt+Del on keyboard to stop process associated to “Antivirus Soft”. When Windows Task Manager opens, go to Processes Tab and find and end the following process:
(random characters).exe

2. You need to update your installed antivirus application to have the latest database.

3. Thoroughly scan the system and any detected threats must be removed. If removal is prohibited, it is best to quarantine the infected item. Manually locating and deleting of malicious files should also be performed. Please see files below that are related to Antivirus Soft Virus.

4. Registry entries created by Antivirus Soft must also be remove from the Windows system. Please refer below for entries associated to the rogue program.
- For Windows 2000/XP: Go to Start > Run, type “regedit” on dialog box then press Enter on keyboard.
- For Windows Vista/7: Go to Start > Search Program and Files, type “regedit” and press Enter.

5. Exit registry editor.

6. Get rid of Antivirus Soft start-up entry by going to Start > Run, type msconfig on the “Open” dialog box. A windows containing System Configuration Utility will be launched. Go to Startup tab and uncheck the following Start-up item(s):
(random characters).exe

7. Click Apply and restart Windows.

Technical Details and Additional Information:

Malicious Files Added by Antivirus Soft:

Windows XP:
%UserProfile%\Local Settings\Application Data\[random]\
%UserProfile%\Local Settings\Application Data\[random]\[random]sysguard.exe
%UserProfile%\Local Settings\Application Data\[random]\[random]gtvat.exe

Windows Vista and Windows 7:
%UserProfile%\AppData\Local\[random]\
%UserProfile%\AppData\Local\[random]\[random]sysguard.exe
%UserProfile%\AppData\Local\[random]\[random]gtvat.exe

File Location for Windows Versions:

  • %UserProfile% for Vista/7 user is C:\Users\<Current User> for Windows Vista/7, for Windows XP/2000 this is C:\Documents and Settings\<Current User>.

Antivirus Soft Registry Entries:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “[random]”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run “[random]”
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments “SaveZoneInformation” = “1″
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “ProxyServer” = “http=127.0.0.1:5555″
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Associations “LowRiskFileTypes” = “.exe”
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Download “RunInvalidSignatures” = “1″
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “ProxyOverride” = “”

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