Tiscali Security Database

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Free Anti-virus test

Click here to run a free Antivirus / Online security test to determine whether your computer has been infected and or is at risk of exposure to security threats.

If you require antivirus or firewall software click here.

For common symptoms of security breaches click here.

If your computer has recently been infected with a worm or virus a list of common and recent security threats with their removal tools have been included below in alphabetical order

NB: If you are unsure which operating system you have click on Start, then Control Panel and then double click on the System icon.

Bagle Worm
THREAT: The worm sets uses your computer as a host to mail your contacts with copies of itself using its own smtp server clogging mail servers and downgrading your systems performance.
Download Mcafees Stinger tool to detect and remove Bagle

Beagle Worm
THREAT: The worm also creates a mass mailing of itself on infected machines, which may clog mail servers and downgrade system performance.
Beagle Removal Tool

Blaster / MSBLast Worm
SYMPTOM: System shutdown when connecting to the Internet, Error messages referring to shutdown of the Remote Procedure Call as initiated by NT AUTHORITY/SYSTEM
All users should download and run windows patches after applying the MS Blaster Removal Tool

Windows 2000 - Windows Patch
Windows XP - Windows Patch

Gaobot Worm
THREAT: This worm spreads through open network shares and several Windows vulnerabilities
     Gaobot Removal Tool

Microsoft Security Bulletin MS04-014
REQUIREMENT: Vulnerability in the Microsoft Jet Database Engine Could Allow Code Execution (837001)

Windows 2000 - Microsoft page
   Windows XP - Microsoft page

Microsoft Security Bulletin MS04-012
REQUIREMENT: Cumulative Update for Microsoft RPC/DCOM (828741)

Windows 2000 - Microsoft page
   Windows XP - Microsoft page

Mydoom Fix Removal Tool
SYMPTOM: Receipt of Automatic email Delivery with random subject e.g. Data format error and an attachment from a recognised sender e.g. work or a friend. Do not download the attahment
    Symantec Removal tool - FxMydoom.exe

Netsky worm
TRANSMISSION: This is transmitted by email with subject lines such as "Please wait while loading failed message". When viewed, code hidden in the email hunts the internet for a PC that is already infected, so it can download a copy of its own destructive element.
     Gaobot Removal Tool

QHost Trojan
SYMPTOM: System shutdown when connecting to the Internet - QHost may be detected but unmemorable by your antivirus software
     Symantec Removal Tool - FixQhost.exe

Patch your computer from being infected using:
   Microsoft patch for Internet Explorer with SP1 already Installed
   Microsoft patch for Internet Explorer without SP1 on XP
   Microsoft patch for Internet Explorer 5.5 with SP2 Installed
   Microsoft patch for Internet Explorer 5.01 for Windows 2000 SP3 and SP4

Remote Code Execution in Internet Explorer 6 MS03-048
Microsoft recommendation: Customers should install this security update immediately (details).

Internet Explorer 6 - Download
Internet Explorer 6 Service Pack 1 - Download
Downloads for Internet Explorer 5.5 is also here available on the Microsoft site.

Sasser Fix Removal Tool
SYMPTOM: System shutdown when connecting to the Internet, Error messages referring to shutdown of the system process lsass.exe as initiated by NT AUTHORITY/SYSTEM

Microsoft Detection and Removal Tool - RemoveSass
Symantec Removal tool - FixSasser.exe

W32.Mydoom.A@mm Removal Tool
THREAT: W32.Mydoom.A@mm (also known as W32.Novarg.A) is a mass-mailing worm that arrives as an attachment with the file extension .bat, .cmd, .exe, .pif, .scr, or .zip. When a computer is infected, the worm sets up a backdoor into the system by opening TCP ports 3127 through 3198, which can allow unauthorised access to its resources.

Symantec Removal tool - FixSasser.exe

W32.Sobig.F@mm Worm
SYMPTOM: Exploits system vulnerabililty to set up host as mass mailing engine of itself to all mail recipients
    Removal: FixSbigF.exe

More information on the W32.Sobig.F@mm worm can be found here

W32.Welchia.Worm
SYMPTOM: Attempts to download the DCOM RPC patch from Microsoft's Windows Update Web site, install it, and then restart the computer.
Removal: W32.Welchia.Worm Removal Tool

More information on the W32.Welchia.Worm can be found here

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