- Ccleaner vs ccleaner cloud update#
- Ccleaner vs ccleaner cloud software#
- Ccleaner vs ccleaner cloud download#
but it could be useful in follow-up targeted attacks against specific users." Of course, it may be that they really only stole. Of the Piriform claim it had no evidence of much wrongdoing by the hacker, Grooten added: "As I read the Cisco blog, there was a backdoor that could have been used for other purposes.
"I have a feeling they are downplaying it indeed," said Martijn Grooten, editor of security publication Virus Bulletin. Not all are convinced by the claims of Piriform, acquired by Avast in July. In other words, to the best of our knowledge, we were able to disarm the threat before it was able to do any harm." "Users of CCleaner Cloud version have received an automatic update.
"The threat has now been resolved in the sense that the rogue server is down, other potential servers are out of the control of the attacker. Paul Yung, vice president of product at Piriform, wrote in a post Monday: "Based on further analysis, we found that the version of CCleaner and the version of CCleaner Cloud was illegally modified before it was released to the public, and we started an investigation process. Use of DGAs shows some sophistication on the part of the attackers.ĬCleaner's owner, Avast-owned Piriform, has sought to ease concerns. The hackers also used what's known as a domain generation algorithm (DGA) whenever the crooks' server went down, the DGA could create new domains to receive and send stolen data.
Ccleaner vs ccleaner cloud software#
The malware would send encrypted information about the infected computer - the name of the computer, installed software and running processes - back to the hackers' server. Comparing it to the NotPetya ransomware outbreak, which spread after a Ukrainian accounting app was infected, the researchers discovered the threat on September 13 after CCleaner 5.33 caused Talos systems to flag malicious activity. It has 2 billion downloads and claims to be getting 5 million extra a week, making the threat particularly severe, researchers at Cisco Talos warned. The affected app, CCleaner, is a maintenance and file clean-up software run by a subsidiary of anti-virus giant Avast. According to Avast's own figures, 2.27 million ran the affected software, though the company said users should not panic.
Ccleaner vs ccleaner cloud download#
The tainted application allows for download of further malware, be it ransomware or keyloggers, with fears millions are affected.
Ccleaner vs ccleaner cloud update#
Users of Avast-owned security application CCleaner for Windows have been advised to update their software immediately, after researchers discovered criminal hackers had installed a backdoor in the tool.
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