Win32/Filecoder.OLQ

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Win32/Filecoder.OLQ detection name means that your computer is in big danger. This computer virus can correctly be identified as ransomware – sort of malware which encrypts your files and asks you to pay for their decryption. Removing it requires some specific steps that must be taken as soon as possible.
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Win32/Filecoder.OLQ detection is a virus detection you can spectate in your computer. It generally appears after the provoking activities on your PC – opening the suspicious e-mail, clicking the advertisement in the Internet or installing the program from unreliable resources. From the second it appears, you have a short time to do something about it until it begins its malicious action. And be sure – it is much better not to wait for these destructive things.

What is Win32/Filecoder.OLQ virus?

Win32/Filecoder.OLQ is ransomware-type malware. It searches for the files on your disk drives, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files locked, this virus also does a lot of harm to your system. It alters the networking settings in order to stop you from looking for the removal tutorials or downloading the anti-malware program. In rare cases, Win32/Filecoder.OLQ can additionally prevent the launching of anti-malware programs.

Win32/Filecoder.OLQ Summary

In summary, Win32/Filecoder.OLQ malware activities in the infected computer are next:

  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • NtSetInformationThread: attempt to hide thread from debugger;
  • Creates RWX memory;
  • Attempts to connect to a dead IP:Port (255 unique times);
  • Dynamic (imported) function loading detected;
  • Manipulates data from or to the Recycle Bin;
  • Authenticode signature is invalid;
  • Writes a potential ransom message to disk;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Exhibits possible ransomware file modification behavior;
  • CAPE detected the Conti malware family;
  • Collects information to fingerprint the system;
  • Ciphering the documents located on the victim’s drives — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of security tools

Ransomware has been a nightmare for the last 4 years. It is challenging to imagine a more dangerous malware for both individuals and businesses. The algorithms utilized in Win32/Filecoder.OLQ (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have a lot more time than our galaxy already exists, and possibly will exist. But that virus does not do all these unpleasant things without delay – it can require up to a few hours to cipher all of your files. Hence, seeing the Win32/Filecoder.OLQ detection is a clear signal that you need to begin the clearing procedure.

Where did I get the Win32/Filecoder.OLQ?

Ordinary tactics of Win32/Filecoder.OLQ distribution are common for all other ransomware variants. Those are one-day landing sites where victims are offered to download and install the free software, so-called bait e-mails and hacktools. Bait emails are a pretty modern method in malware spreading – you get the email that imitates some standard notifications about shipments or bank service conditions changes. Within the email, there is a malicious MS Office file, or a link which opens the exploit landing site.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Avoiding it looks fairly simple, however, still needs tons of awareness. Malware can hide in different places, and it is much better to stop it even before it goes into your system than to depend on an anti-malware program. Basic cybersecurity awareness is just an important thing in the modern world, even if your relationship with a computer stays on YouTube videos. That can keep you a lot of money and time which you would certainly spend while looking for a solution.

Win32/Filecoder.OLQ malware technical details

File Info:

name: A2123B6A0489862004A8.mlw
path: /opt/CAPEv2/storage/binaries/06ad123df8f3fcc6ca4785c0b52fc57e6e54f44e403fca2fdbd339580d3c53b0
crc32: 09EB6878
md5: a2123b6a0489862004a8ea41e6528e89
sha1: fb5fb8cf0e779fe9e353df0bb9fd61f492845516
sha256: 06ad123df8f3fcc6ca4785c0b52fc57e6e54f44e403fca2fdbd339580d3c53b0
sha512: 74f73be199372ef211bc1a79e199723aba49ff05ed09088b9ab2f1f1887c147f859ca8ce6af71431e298e2b44e37219b524c9ef2256c6989dfd5ef467ab28784
ssdeep: 1536:V+5ZpiURRRUr2oOsDGrbH+TY/59dNiD3WyJjuzyXrx+j6cmh7:VWpiURfUr2oOsDGrz+TY6D3Wy0yl+jY7
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T13963C44A7609EB30F18794B696FD2A57699E9938835F85C3EBD0C09A7561CC7B830F03
sha3_384: d1c51c776230ae254e6bdd38883b6662bade34830ab1c8b2e1befe9b067356744d28c8b826c1edff69f5952f882452f9
ep_bytes: e89bfeffff33c0c21000cccccccccccc
timestamp: 1984-02-21 20:01:52

Version Info:

0: [No Data]

Win32/Filecoder.OLQ also known as:

Bkav W32.AIDetect.malware2
MicroWorld-eScan Gen:Variant.Lazy.202657
ALYac Gen:Variant.Lazy.202657
Cylance Unsafe
Cybereason malicious.a04898
Cyren W32/Agent.CC.gen!Eldorado
Symantec Ransom.Conti!gm1
Elastic Windows.Ransomware.Conti
ESET-NOD32 a variant of Win32/Filecoder.OLQ
APEX Malicious
Paloalto generic.ml
Kaspersky VHO:Trojan-Ransom.Win32.GenericCryptor.gen
BitDefender Gen:Variant.Lazy.202657
Ad-Aware Gen:Variant.Lazy.202657
F-Secure Trojan.TR/Crypt.XPACK.Gen
DrWeb Trojan.Encoder.35508
VIPRE Gen:Variant.Lazy.202657
TrendMicro Ransom_Conti.R06CC0DGS22
Trapmine malicious.high.ml.score
FireEye Generic.mg.a2123b6a04898620
SentinelOne Static AI – Malicious PE
GData Gen:Variant.Lazy.202657
Avira TR/Crypt.XPACK.Gen
Arcabit Trojan.Lazy.D317A1
ZoneAlarm VHO:Trojan-Ransom.Win32.GenericCryptor.gen
Microsoft Ransom:Win32/Conti.AD!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Ransomware/Win.Conti.C5216362
MAX malware (ai score=81)
VBA32 BScope.TrojanRansom.Conti
TrendMicro-HouseCall Ransom_Conti.R06CC0DGS22
Rising Ransom.Conti!1.DF1E (CLASSIC)
Ikarus Trojan-Ransom.BlueSky
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Filecoder.OLQ!tr.ransom
BitDefenderTheta AI:Packer.6CBF18991E
CrowdStrike win/malicious_confidence_100% (D)

How to remove Win32/Filecoder.OLQ?

Win32/Filecoder.OLQ malware is very hard to remove by hand. It puts its data in numerous locations throughout the disk, and can recover itself from one of the parts. Furthermore, a lot of alterations in the registry, networking configurations and Group Policies are really hard to identify and revert to the original. It is better to utilize a special program – exactly, an anti-malware program. GridinSoft Anti-Malware will definitely fit the most ideal for virus elimination purposes.

Why GridinSoft Anti-Malware? It is really lightweight and has its databases updated almost every hour. Moreover, it does not have such problems and exposures as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware suitable for taking out malware of any form.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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