The new attack targets the same vulnerabilities the WannaCry ransomware worm exploited but, rather than freeze files, uses the hundreds of thousands of computers believed to have been infected to mine virtual currency. Following the detection of the WannaCry attack on Friday, researchers at Proofpoint discovered a new attack linked to WannaCry called Adylkuzz, said Nicolas Godier, a researcher at the computer security firm. “It uses the hacking tools recently disclosed by the NSA and which have since been fixed by Microsoft in a stealthier manner and for a different purpose,” he said.
http://sharepoint-insight.com/category/how-to/ Another Cyber-Attack Is Underway
Another large-scale, stealthy cyber-attack is underway on a scale that could dwarf last week’s assault on computers worldwide, a global cyber security firm told AFP on Wednesday. Instead of completely disabling an infected computer by encrypting data and seeking a ransom payment, Adylkuzz uses the machines it infects to “mine” in a background task a virtual currency, Monero, and transfer the money created to the authors of the virus. “As it is silent and doesn’t trouble the user, the Adylkuzz attack is much more profitable for the cyber criminals. It transforms the infected users into unwitting financial supporters of their attackers,” said Godier. Proofpoint said it has detected infected machines that have transferred several thousand dollars worth of Monero to the creators of the virus.
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Virtual currencies such as Monero and Bitcoin use the computers of volunteers to record transactions. They are said to “mine” for the currency and are occasionally rewarded with a piece of it. Proofpoint said in a blog that symptoms of the attack include loss of access to shared Windows resources and degradation of PC and server performance, effects which some users may not notice immediately. The firm believes Adylkuzz has been on the loose since at least May 2, and perhaps even since April 24, but due to its stealthy nature was not immediately detected. “We don’t know how big it is” but “it’s much bigger than WannaCry”, Proofpoint’s vice president for email products, Robert Holmes, told AFP.
Britain’s National Health Service, US package delivery giant FedEx, Spanish telecoms giant Telefonica and Germany’s Deutsche Bahn rail network were among those hit. While the rate of new infections has slowed, researchers at cyber security firm Check Point said the malware continues to spread rapidly. And another expert added that despite a quick breakthrough that WannaCry to be slowed down, researchers don’t fully understand it. A US official on Tuesday put the number of computers infected by WannaCry at over 300,000. “We have seen that before – malwares mining cryptocurrency – but not this scale,” said Holmes. The WannaCry attack has sparked havoc in computer systems worldwide.
Threat by WannaCry And Adylkuzz
It said in a post it would begin providing information monthly by subscription in June, saying that in addition to Windows 10 vulnerabilities it would include “compromised network data from Russian, Chinese, Iranian, or North Korean nukes and missile programs”. “The problem is that we’re still not certain about the origin of the infections” as contrary to many previous attacks it wasn’t via emails which deceive users into installing the virus, said the expert on condition of anonymity. More attacks could be soon being underway as the hacker group The Shadow Brokers that leaked the vulnerabilities used by WannaCry and Adylkuzz has threatened to publish more.