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MSRT October 2016 release: Adding more unwanted software detections

Unwanted software often piggy-backs on program downloads, delivered by software bundlers. These bundles, which you might have downloaded, can include software that you do not want, and some that are harmful. The bundled or “extra” software can perform actions on your device that run the gambit from unwanted to annoying to malicious. The threat that...

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MSRT September 2016 release feature: Prifou

As part of our ongoing effort to provide better malware protection, the Microsoft Malicious Software Removal Tool (MSRT) release this September includes detections for: BrowserModifier:Win32/Prifou TrojanClicker:Win32/NightClick Trojan:Win32/Suweezy Trojan:Win32/Xadupi   This blog discusses BrowserModifier:Win32/Prifou (Prifou). Windows Defender detects this threat because it limits your choice and control over your browser and operating system. The unwanted behaviors...

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MSRT August 2016 release adds Neobar detection

As part of our ongoing effort to provide better malware protection, the August 2016 release of the Microsoft Malicious Software Removal Tool (MSRT) includes detections for BrowserModifier: Win32/Neobar, unwanted software, and Win32/Rovnix, a trojan malware family. This blog discusses BrowserModifier:Win32/Neobar and its inclusion in MSRT supports our unwanted software family detections in Windows Defender, along...

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MSRT July 2016: Cerber ransomware

(Note: Read our latest comprehensive report on ransomware: Ransomware 1H 2017 review: Global outbreaks reinforce the value of security hygiene.)   As part of our ongoing effort to provide better malware protection, the July 2016 release of the Microsoft Malicious Software Removal Tool (MSRT) includes detection for Win32/Cerber, a prevalent ransomware family. The inclusion in...

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Large Kovter digitally-signed malvertising campaign and MSRT cleanup release

Kovter is a malware family that is well known for being tricky to detect and remove because of its file-less design after infection. Users from United States are nearly exclusively being targeted, and infected PCs are used to perform click-fraud and install additional malware on your machine. Starting April 21, 2016, we observed a large...

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MSRT April release features Bedep detection

As part of our ongoing effort to provide better malware protection, the Microsoft Malicious Software Removal Tool (MSRT) release this April will include detections for: Win32/Bedep – Trojan family Win32/Upatre – Trojan family Ransom:MSIL/Samas – Ransomware family In this blog, we’ll focus on the Bedep family of trojans.   The bothersome Bedep Win32/Bedep was first...

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MSRT March 2016 – Vonteera

As part of our ongoing effort to provide better malware protection, the March release of the Microsoft Malicious Software Removal Tool (MSRT) will include detections for Vonteera – a family of browser modifiers, and Fynloski – a family of backdoor trojans. In this blog, we’ll focus on the Vonteera family of browser modifiers. BrowserModifier:Win32/Vonteera We...

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MSRT February 2016

The February release of the Microsoft Malicious Software Removal Tool (MSRT) includes updated detections for the following malware families: Bladabindi Gamarue Sality Kelihos Diplugem​​ The updates include detections for the latest variants from these malware families. There were no new malware families added to the MSRT this month. The MSRT works in tandem with real-time...

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Microsoft battles Zeus ID theft botnet

Microsoft, in collaboration with the financial services industry, successfully executed a coordinated global action against the Zeus botnet. Zeus is a type of malware that can monitor your online activity and record your keystrokes to commit identity theft. Learn more about the botnet takedown. If you think that your computer might be infected with the...

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