Hot Sale in Black Market: Variant Critroni
In the past, users have encountered threats from Ransomlock, BitCrypt, Cryptowall and other types of ransomware.Although FBI has destroyed the massive botnet Gameover some time ago, the end of this famous source of Ransomlock has not significantly affected the spread of other blackmail trojans.
Recently, Baidu Antivirus Security Center has observed that a new malicious blackmail trojan variant named Critroni has appeared on the Internet. Baidu Antivirus security experts have discovered that Critroni first appeared in Thailand and began to spread from there. The trend of a full blown outbreak has not been detected yet.
Baidu Antivirus security experts have also noted that cybercriminals are using some major black markets to sell auto-generators of the previously thriving malicious blackmail trojan Critroni at a lower price (the asking price is approx. 3,000 USD).Baidu Antivirus security experts emphasize that the appearance of the Critroni generator means that many cybercriminals that did not previously have necessary technical capabilities can now use it to highjack user data so as to charge a high ransom. (Critroni charges a 96 USD ransom, while the infamous Ransomlock previously charged ransoms over 300 USD). The frequent appearance of blackmail trojans seems to show that they are a profitable channel for cybercriminals and the market for them is fiercely competitive.
To ensure the security of critical data, Baidu Antivirus Security Center recommends that users promptly backup critical data(if using a mobile device for backup, disconnect it immediately after backup).Also, it is beneficial to develop a habit of regularly backing-up your data to avoid data loss caused by trojan infection. Users who don't want the inconvenience can change the file extensions so they will not be detected by trojans (some trojans make determinations based solely on file extensions, but this method has risks and we do not recommend it for users with a lot of critical data on their computers).
Currently, Baidu Antivirus can defend against Critroni. Users can download the latest version of Baidu Antivirus to ensure their computer's security.
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