Skip to main content
Skip to main content
Microsoft Security Intelligence
34 entries found. Displaying page 1 of 2.
Updated on Apr 06, 2012

Win32/Koutodoor is a malware family that is capable of changing the Internet Explorer home page and downloading arbitrary files from certain servers. It can also open certain webpages using Internet Explorer.

Alert level: severe
Updated on Jul 19, 2010
Alert level: severe
Updated on Apr 11, 2011
TrojanDropper:Win32/Koutodoor.B is a trojan that drops and installs components of Win32/Koutodoor on the local computer.
Alert level: severe
Updated on Apr 11, 2011
Trojan:Win32/Koutodoor.E is a detection of malware that installs additional payload components and contacts remote server.
Alert level: severe
Updated on Sep 30, 2011
Trojan:Win32/Koutodoor.F is a malicious program that is unable to spread of its own accord. It may perform a number of actions of an attacker's choice on an affected computer.
Alert level: severe
Updated on Jun 02, 2014

This program was detected by definitions prior to 1.175.1206.0 as it violated the guidelines by which Microsoft identified unwanted software. Based on analysis using current guidelines, the program does not have unwanted behaviors.

Alert level: moderate
Updated on Apr 11, 2011
VirTool:WinNT/Koutodoor.A is a detection for a device driver component that is used by the Win32/Koutodoor family to modify the affected user's default Start page.
Alert level: severe
Updated on Apr 11, 2011
Backdoor:Win32/Koutodoor.B.dll!B is a detection for a device driver component that is used by the Win32/Koutodoor family to modify the affected user's default Web browser Start page.
Alert level: severe
Updated on Apr 11, 2011
Trojan:WinNT/Koutodoor.C is a detection for a device driver component that is used by the Win32/Koutodoor family to modify the affected user's default Web browser Start page.
Alert level: severe
Updated on Apr 11, 2011
Trojan:Win32/Koutodoor.B.dll!D is a trojan component installed by Trojan:Win32/Koutodoor.B that changes Internet Explorer settings and sends data to remote servers.
Alert level: severe
Updated on Apr 11, 2011
Trojan:Win32/Koutodoor.B is a trojan that changes the user's web browser start page to one of the attacker's choice and installs other trojan components of Win32/Koutodoor including Trojan:Win32/Koutodoor.B.dll!D and VirTool:WinNT/Koutodoor.A.
Alert level: severe
Updated on Apr 11, 2011
Trojan:Win32/Koutodoor.A is a trojan that changes the Web browser start page and installs other trojan components of Win32/Koutodoor including Trojan:Win32/Koutodoor.B.dll!D and VirTool:WinNT/Koutodoor.A.
Alert level: severe
Updated on Mar 10, 2010
Alert level: severe
Updated on Jun 19, 2010
Alert level: severe
Updated on Jul 16, 2010
Alert level: severe
Updated on Jul 19, 2010
Alert level: severe
Updated on Jul 19, 2010
Alert level: severe
Updated on Oct 26, 2009
Alert level: severe
Updated on Nov 04, 2008
Alert level: severe
Updated on May 30, 2009
Alert level: severe