Test subject – PrincessLocker Evolution ransomware
PrincessLocker first emerged in 2016, and since then, several versions and variants were released. We covered one of these in this article.
This one is called “Evolution” and it was quickly advertised as a RaaS (ransomware as a service) by the malware developers. This means that anybody willing to pay some amount of money can personalize and distribute it as another (similar) ransomware, including the addition of crypto-miners and exploits. This makes PrincessLocker even more dangerous.
PrincessLocker Evolution ransomware test facts
The new version adds new communication protocols with the command & control servers, changing the classic HTTP with UDP (which is faster and more reliable) while sending personal information, like username, installed software and other sensitive data. Encryption is also different from previous versions, as this one will encrypt only the first part of the files. This method makes it very fast, as a smaller data quantity is altered. The files are destroyed just as well, of course. The ransom note is dropped in all attacked folders, in multiple formats, including HTML, and the desktop background is replaced with the ransom note. The encrypted files will receive a new, randomly generated extension, making the identification of this ransomware somewhat more difficult. Reports say that the ransom starts at 0.12 BTC (~$800), and as usual, we will never recommend paying.
PrincessLocker Evolution ransomware test results
TEMASOFT Ranstop detects PrincessLocker Evolution ransomware easily once it starts encrypting files. Upon detection, the user is alerted, and the ransomware process is killed and quarantined. The affected files are automatically restored so that the user doesn’t lose her important documents.
About TEMASOFT Ranstop
TEMASOFT Ranstop is an anti-ransomware software that detects present and future ransomware, based on file access pattern analysis with a high degree of accuracy. At the same time, it protects user files so that they can be restored in case of malware attacks or accidental loss.
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