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We see it every year: social engineering attacks that take advantage of the online shopping activities around Black Friday and Cyber Monday, targeting customers of online retailers. This year, we’re seeing a spam campaign that Amazon customers need to be wary of. The fake emails pretend to be notifications from the online retailer that a purchase has…
Read More“Criminal case against you” is a message that may understandably cause panic. That’s what a recent spam campaign hopes happens, increasing the likelihood of recipients opening the malicious attachment. We recently discovered a new threat that uses email messages pretending to be fax messages, but in truth deliver a ransomware downloader. The attachment used in this…
Read MoreAny IT professional who’s ever had an experience with malware knows how fast an intrusive attack can happen, and how difficult it can be to educate employees to be vigilant against such threats. And with ransomware attacks only growing, having information, tools and technologies to help protect your network can mean the difference between serious…
Read MoreWe came across a browser modifier that sports rootkit capabilities. Not only does the threat, detected as BrowserModifier:Win32/Soctuseer, cross the line that separates legitimate software from unwanted, it also takes staying under the radar to the next level. Rootkit capabilities, which make it difficult to detect and remove applications, are usually associated with malware. Yet…
Read MoreThis guest blog post is by Terry Myerson / Executive Vice President, Windows and Devices Group Windows is the only platform with a customer commitment to investigate reported security issues and proactively update impacted devices as soon as possible. And we take this responsibility very seriously. Recently, the activity group that Microsoft Threat Intelligence calls STRONTIUM…
Read MoreIn response to the growing trend of macro-based threats, a new feature in Office 2016 allows an enterprise administrator to block users from running macros in Office documents that originated from the Internet. This feature was documented back in March: New feature in Office 2016 can block macros and help prevent infection, and the predominant…
Read MoreWouldn’t it be a shame if, in trying to secure your PC, you inadvertently install malware and run the risk of being scammed? We recently discovered a threat detected as SupportScam:MSIL/Hicurdismos.A that pretends to be a Microsoft Security Essentials installer. Microsoft Security Essentials is our antimalware product for Windows 7 and earlier. In Windows 10…
Read MoreJust when it seems the Ransom:Win32/Locky activity has slowed down, our continuous monitoring of the ransomware family reveals a new workaround that the authors might be using to keep it going. The decline in Locky activity can be attributed to the slowdown of detections of Nemucod, which Locky uses to infect computers. Nemucod is a…
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