Tim Kas

Tim Kas

Computer security specialist. I try to do my best and share my knowledge with you by creating simple-to-follow and useful guides on various topics about computer security.

How to remove Atwola cookie

Atwola is a name of cookie that tracks the computer user's browsing activity and interests. Gathering all the required information, it displays different ads, banners, pop-up ads in browser. Atwola cookie is not a virus, because it doesn’t harm the computer, but it may freeze the browsing. Besides, unreliable ads often contain links to untrustworthy and suspicious web pages where you could get a real virus. This infection supports almost all well-known browsers as Chrome, Firefox, Internet Explorer, Opera, Safari.

How to remove Aesir ransomware and decrypt .aesir files

Aesir is another ransomware-type virus from Locky family. It still uses RSA-2048 and AES-128 algorithms to encrypt user files. Now virus targets more than 450 types of files. After encrypting malware adds .aesir suffix and modifies filenames. Aesir ransomware demands user to pay ransom of 3 BitCoins (~$2200) to decrypt files, but never send the keys. Ransomware creates 3 files on users computers: INSTRUCTION.bmp, -INSTRUCTION.html and _1-INSTRUCTION.html. This files contain instructions for users to pay the ransom and get decryptor. Image is used to set as background and also contains ransom-note with payment details.