ransomware virus attack .kolz file extension

it looks like .kolz virus is a new variant of the STOP Djvu ransomware. More about this ransomware in the following article: STOP Djvu Ransomware Decryptor

we obtained a sample of the kolz virus and created a guide describing how to remove the kolz virus, decrypt and restore encrypted files

Remove Kolz ransomware. Decrypt .kolz files. Kolz File Recovery.