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Microsoft Security Intelligence
147 entries found. Displaying page 1 of 8.
Updated on Aug 15, 2013

Windows Defender detects and removes this threat.

Trojan:Win32/Tracur.AV is a trojan that redirects Internet search queries to a malicious URL and lets a hacker gain access and control of your computer. It may also install other malware. It is a member of the Win32/Tracur family of trojans.

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 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 Apr 12, 2012
Trojan:Win32/Tracur.AG 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 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 Apr 11, 2011
TrojanDownloader:Win32/Tracur.A is a trojan that downloads and executes arbitrary files.
Alert level: severe
Updated on Apr 11, 2011
Trojan:VBS/Tracur is a VBS component dropped by TrojanDownloader:Win32/Tracur.A. When run, this script adds the 'explorer.exe' process to the Windows Firewall exceptions list to deliberately lower system security settings.
Alert level: severe
Updated on Apr 11, 2011
TrojanDownloader: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 11, 2011
TrojanDownloader:Win32/Tracur.B is a trojan component installed by TrojanDownloader:Win32/Tracur.A. This trojan component downloads and executes arbitrary files.
Alert level: severe
Updated on Apr 11, 2011
Trojan:JS/Tracur.A is a trojan that redirects user searches via the Web browser Firefox to a malicious Web site.
Alert level: severe
Updated on Apr 08, 2013

Trojan:Win32/Tracur.AN is a trojan that redirects Internet search queries to a malicious URL, allows backdoor access and control and may also install other malware.

It is a member of the Trojan:Win32/Tracur family.

Alert level: severe
Updated on Sep 19, 2011
TrojanDownloader: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 Oct 04, 2011
TrojanDownloader:Win32/Tracur.Z is a trojan that downloads and executes arbitrary files.
Alert level: severe
Updated on Apr 12, 2012
Trojan:Win32/Tracur.Z is a trojan that downloads and executes arbitrary files.
Alert level: severe
Updated on Apr 12, 2012
Trojan:Win32/Tracur.M 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 11, 2011
TrojanDownloader:Win32/Tracur.M 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
Trojanr:Win32/Tracur.A is a trojan that downloads and executes arbitrary files.
Alert level: severe
Updated on Apr 12, 2012
Trojan:Win32/Tracur.B is a trojan component installed by Trojan:Win32/Tracur.A. This trojan component downloads and executes arbitrary files.
Alert level: severe
Updated on Nov 04, 2012

Trojan:Win32/Tracur.AU is a trojan that redirects web searches and may and download and run arbitrary files.

It is a member of the Win32/Tracur family of trojans.

Alert level: severe
Updated on Jul 27, 2014

Windows Defender detects and removes this threat.

This threat can perform a number of actions of a malicious hacker's choice on your PC.

Find out ways that malware can get on your PC.

Alert level: severe