Discovered by Michael Gillespie, Sigrun is a ransomware-type virus that stealthily infiltrates the system and encrypts most of stored files. During the process, Sigrun appends filenames with ".sigrun" extension. For example, "" is renamed to "". Once the encryption is over, Sigrun creates a text ("RESTORE-") and an html ("RESTORE-") files, placing copies of both in every existing folder. Both files contain identical message. As usually, it states that the data is encrypted and encourages users to contact developers in case they want to restore it. Users will then supposedly be provided with further decryption instructions. Although it is currently unknown whether Sigrun uses symmetric or asymmetric cryptography, we can assure you that decryption requires a unique key generated individually for each victim. The problem is that developers hide all keys in a rem...
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is a specific detection used by Malwarebytes Anti-Malware to indicate and detect Potentially Unwanted Propgrams (PUP). When Malwarebytes Anti-Malware detects you do not immediately have to worry, because it is not a virus or other malware. But only a adware related program classified as PUP because it has a bad reputation or behavior. And in most cases the program is installed whitout your knowledge, therefore detects Malwarebytes Anti-Malware this application as This items are not always checked by default for removing, but we strongly recommend to remove from your computer.