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  • Active
  • Severity: High
  • Ransomware
  • Windows
  • Verified · May 2017

How to remove Mancros+AI4939 ransomware virus

A step-by-step removal guide for affected devices. Follow the verified procedure below — most readers complete it in under 10 minutes.

Lucia Danes · Virus researcher

New locksreen virus Mancros+AI4939 threatens to delete antivirus

Mancros+AI4939 ransomware is a new screelocker virus [1] which cyber security experts detected spreading as MancrosAI4939(1).exe file. When scanned with security software, the file typically comes up as Gen:Variant.Strictor.129956. This code stands for a very malicious cyber infection, most likely embedded with a complex rootkit technology [2] which allows it to hide its obfuscated files in remote corners of the infected computer system and evade elimination. While malware executables hide in the shadows, its ransom note is put on display for the victims to see. It pops-up on a lock screen immediately after the malicious script is run on the target computer. In the brief message, the criminals lay down their rules and demand victims to send 50 dollars to their Bitcoin wallet account. The extortionists threaten the victims with “trashing” their PCs irreversibly if they don’t receive the payment within 4 days after ransomware infiltration. The same fate is intended for the devices whose owners attempt to close, kill, remove the malware or try decrypting the encrypted files with some third-party decryption utilities. On top of it all, this ransomware is supposedly designed to delete or corrupt MalwareBytes, G-Data, AVG, Bullguard and other antivirus software to prevent obliteration. Since this parasite is still new and underinvestigated, we can’t tell if these claims are true. Nevertheless, you should not give in to panic and simply refuse to co-operate with the criminals, especially when the Bitcoin address they indicate for ransom transfer is not even active. Backup the encrypted files for future decryption and use alternative antivirus software such as FortectIntego to decontaminate the virus and remove Mancros+AI4939 components from your PC to prevent further damage.

Mancros+AI4939 virus

The amount of screenlocker viruses is growing rapidly these days as they offer an easy way for the criminals to frighten inexperienced users and swindle away their money. Screenlockers simply blocks the computers, so any information that might be stored on the affected devices becomes virtually inaccessible. Luckily, most of such viruses are either made as a joke or simply rely on scare tactics to generate profit, while having no impact on the files. In such cases, exiting the lock screen is enough to get back to regular business. In their essence, screenlockers are less dangerous than their encryption-based counterparts, so there is always a better chance to recover files in case of such virus attack. Our experts have a couple of suggestions prepared for users who may not know how to terminate lock screens and proceed to Mancros+AI4939 removal. You will find them below.

Image of Mancros+AI4939 ransomware virus

Ransomware distribution is still a mystery

Mancros+AI4939 has just been discovered, so we are still missing information about a lot of its aspects including distribution. In such cases, we can only rely on the general knowledge about ransomware. Typical tendencies in this family of cyber infections show that malicious programs enter computers with the help of Trojans, exploit kits or are simply downloaded by the users as email attachments. Mancros+AI4939 developers may employ some if not all of these techniques to spread the malware around. So, you can never know when and from what direction this virus is going to hit. In order to protect yourself, keep data backups and regularly replenish them with new files from your PC.

Ideas on fixing Mancros+AI4939 affected PC

Mancros+AI4939 removal is a self-explanatory step which everyone should perform in case they have been infected with this nasty parasite. But after the elimination is complete, there come a bunch of problems which cannot be left unattended. For instance, your Windows registry may be cluttered with useless or malicious entries which could potentially help the lock screen to bounce back if not removed from the registry list. Thus, make sure you use reputable antivirus software and registry cleaners to remove all undesirable virus components from your PC for good.

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