Ransomware attacks

The average ransomware payment rose to $1,077, up from $294 a year earlier, Symantec said.  Hackers spreading ransomware are getting greedier. In 2016, the average ransom demand to free computers hit with the infection rose to $1,077, up from $294 the year before, according to security firm Symantec.
“Attackers clearly think that there’s more to be squeezed from victims,” Symantec said in a Wednesday report.

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Double Agent attack can turn antivirus into malware

A zero-day attack called Double Agent can take over antivirus software on Windows machines and turn it into malware that encrypts files for ransom, exfiltrates data or formats the hard drives.
Based on a 15-year-old feature in Windows from XP through Windows 10, the attack is effective against all 14 antivirus products tested by security vendor Cybellum – and would also be effective against pretty much every other process running on the machines.
Double Agent was discovered by Cybellum researchers and has not been seen in the wild.
“The attack was reported to all the major vendors which approved the vulnerability and are currently working on finding a solution and releasing a patch,” according to a Cybellum blog.

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Microsoft has already patched most of the NSA’s Windows exploits

Microsoft on Friday said it had patched most of the Windows vulnerabilities purportedly exploited by the National Security Agency (NSA) using tools that were leaked last week.
The Windows flaws were disclosed by the hacking gang Shadow Brokers in a large data dump earlier Friday. The group has released several collections of documents about the internal operations of the NSA, and the code it allegedly has used to compromise computers and other devices worldwide.

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