GMER is a software tool written by Polish researcher Przemysław Gmerek, for detecting and removing rootkits .   It runs on Microsoft Windows and has support for Windows NT, 2000, XP, Vista, 7, 8 and 10. With version 2.0.18327 full support for Windows x64 is added.   
At the time of first release in 2004 it introduced innovative rootkit detection techniques and quickly gained popularity for its effectiveness. It was incorporated into a virus FEW tools Including Avast! antivirus  and SDFix. 
For several months in 2006 and 2007, the tool is the target of heavy DDoS attacks attempting to block their downloads. 
- Jump up^ GMER Home Page
- Jump up^ “GMER avast! Nalepszy w testach antirootkit” (in Polish). 2007 . Retrieved 2014-10-06 .
- Jump up^ Larry Stevenson, Nancy Altholz (2006). Rootkits for dummies . p. 283.
- Jump up^ “Warning on stealthy Windows virus” . BBC. 2008 . Retrieved 2014-10-07 .
- Jump up^ Brian Krebs (2008). “New Nasty Hides From Windows, Anti-Virus Tools” . The Washington Post . Retrieved 2014-10-07 .
- Jump up^ avast ‘s Top 5 Hidden Gems
- Jump up^ “SDFix v1.240” . Archived from the original on 2009-02-08 . Retrieved 2014-10-07 .
- Jump up^ “Malicious Software: One Person’s Perspective” . 2008. Archived from the original on September 7, 2008 . Retrieved 2014-10-07 .