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Microsoft Security Intelligence
147 entries found. Displaying page 1 of 8.
Updated on Nov 19, 2013

Windows Defender detects and removes this threat.

This threat is a component of Win32/Tracur, which is a family of trojans that redirect web search queries to malicious URLs, download and run and other files, including other malware, and let backdoor access and remote control.

The purpose of this redirection may be to earn revenue for the malware's authors via online advertisement fraud. The trojans hijack search result links from the following search engines, and redirect you to a different result than where you were intending to go:

  • Alltheweb
  • Altavista
  • AOL
  • Ask
  • Bing
  • Gigablast
  • Google
  • Hotbot
  • Lycos
  • Netscape
  • Snap
  • Yahoo
  • Youtube
Alert level: severe
Updated on Dec 03, 2013

Windows Defender detects and removes this threat.

Win32/Tracur is a family of trojans that can redirect your web searches. They do this to earn revenue for the malware authors via online advertisement fraud. The trojans hijack search result links from the following search engines, and redirect you to a different webpage:

  • Alltheweb
  • Altavista
  • AOL
  • Ask
  • Bing
  • Gigablast
  • Google
  • Hotbot
  • Lycos
  • Netscape
  • Snap
  • Yahoo
  • Youtube

Win32/Tracur can also download and run files, including other malware, and give a hacker control of your PC.

These threats can be installed on your PC by other malware, or when you click on a suspicious link or email attachment.

Alert level: severe
Updated on Aug 21, 2014

Windows Defender detects and removes this threat.

This family of threats are malicious JavaScript files that redirect your web searches.  

They do this to earn revenue for the malware authors via online advertisement fraud. The threats hijack search result links from the following search engines, and redirect you to a different webpage:

  • Alltheweb
  • Altavista
  • AOL
  • Ask
  • Bing
  • Gigablast
  • Google
  • Hotbot
  • Lycos
  • Netscape
  • Snap
  • Yahoo
  • Youtube

They can be installed by other malware, including members of the Win32/Tracur description for more information.

Find out ways that malware can get on your PC.  

Alert level: severe
Updated on Apr 01, 2010
Alert level: severe
Updated on Oct 09, 2013
Alert level: severe
Updated on Apr 12, 2012
Trojan:Win32/Tracur.J is a trojan that redirects user searches from legitimate search sites to a Web site that contains malware. It is installed as a Browser Helper Object (BHO) in Internet Explorer, and replaces Firefox Extension Settings files.
Alert level: severe
Updated on Apr 12, 2012

Trojan:Win32/Tracur.X is a trojan that downloads and executes arbitrary files.

Alert level: severe
Updated on Aug 01, 2011

TrojanDownloader:Win32/Tracur.X is a trojan that downloads and executes arbitrary files.

Alert level: severe
Updated on Aug 17, 2011

TrojanDownloader:Win32/Tracur.Y is a trojan that downloads and executes arbitrary files.

Alert level: severe
Updated on Apr 12, 2012

Trojan:Win32/Tracur.Y is a trojan that downloads and executes arbitrary files.

Alert level: severe
Updated on Apr 12, 2012

Trojan:Win32/Tracur.AA is a trojan that silently downloads and installs other programs without consent. It could install additional malware or malware components to an affected computer.

Alert level: severe
Updated on Apr 12, 2012

TrojanDownloader:Win32/Tracur.AK is a trojan that redirects user searches from legitimate search sites to malicious websites. It is installed as a Browser Helper Object (BHO) in Internet Explorer.

Alert level: severe
Updated on Mar 21, 2012

TrojanDownloader:Win32/Tracur.AA is a trojan that silently downloads and installs other programs without consent. It could install additional malware or malware components to an affected computer.

Alert level: severe
Updated on Apr 12, 2012
Trojan:Win32/Tracur.AC is a trojan that silently downloads and installs other programs without consent. This could include the installation of additional malware or malware components to an affected computer.
Alert level: severe
Updated on Dec 22, 2011

TrojanDownloader:Win32/Tracur.AF is a trojan that silently downloads and executes arbitrary files. This could include the installation of additional malware or malware components to the affected computer.

Alert level: severe
Updated on Dec 15, 2011

TrojanDownloader:Win32/Tracur.AI is a trojan that redirects user searches from legitimate search sites to malicious websites. It is installed as a Browser Helper Object (BHO) in Internet Explorer, and installs malicious Firefox and Google Chrome extensions.

Alert level: severe
Updated on Apr 12, 2012

Trojan:Win32/Tracur.AI is a trojan that redirects user searches from legitimate search sites to malicious websites. It is installed as a Browser Helper Object (BHO) in Internet Explorer, and installs malicious Firefox and Google Chrome extensions.

Alert level: severe
Updated on Sep 11, 2012
Trojan:Win32/Tracur.AK is a trojan that installs other programs, such as additional malware or malware components, without your consent.
Alert level: severe
Updated on Dec 02, 2011

TrojanDownloader:Win32/Tracur.AH is a trojan that silently downloads and installs other programs without consent. This could include the installation of additional malware or malware components to an affected computer.

Alert level: severe
Updated on Apr 12, 2012

Trojan:Win32/Tracur.AH is a trojan that silently downloads and installs other programs without consent. This could include the installation of additional malware or malware components to an affected computer.

Alert level: severe