Worm:Win32/Mofksys

Seeing the Worm:Win32/Mofksys detection means that your system is in big danger. This virus can correctly be identified as ransomware – type of malware which encrypts your files and asks you to pay for their decryption. Deleteing it requires some specific steps that must be taken as soon as possible.

Worm:Win32/Mofksys detection is a malware detection you can spectate in your system. It generally shows up after the preliminary activities on your PC – opening the dubious e-mail, clicking the advertisement in the Internet or setting up the program from untrustworthy sources. From the moment it shows up, you have a short time to act before it begins its malicious activity. And be sure – it is much better not to await these harmful effects.

What is Worm:Win32/Mofksys virus?

Worm:Win32/Mofksys is ransomware-type malware. It looks for the documents on your disk drive, encrypts it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files locked, this virus also does a lot of damage to your system. It changes the networking setups in order to prevent you from reading the removal guidelines or downloading the antivirus. In rare cases, Worm:Win32/Mofksys can additionally block the setup of anti-malware programs.

Worm:Win32/Mofksys Summary

In total, Worm:Win32/Mofksys virus activities in the infected PC are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Sample contains Overlay data;
  • The binary contains an unknown PE section name indicative of packing;
  • The binary likely contains encrypted or compressed data.;
  • Executable file is packed/obfuscated with Themida;
  • Authenticode signature is invalid;
  • Checks for the presence of known windows from debuggers and forensic tools;
  • Checks the version of Bios, possibly for anti-virtualization;
  • Detects VirtualBox through the presence of a registry key;
  • Anomalous binary characteristics;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Encrypting the documents kept on the victim’s disk — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of security tools

Ransomware has been a horror story for the last 4 years. It is challenging to picture a more dangerous virus for both individuals and organizations. The algorithms utilized in Worm:Win32/Mofksys (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy actually exists, and possibly will exist. However, that virus does not do all these unpleasant things instantly – it can take up to several hours to cipher all of your documents. Hence, seeing the Worm:Win32/Mofksys detection is a clear signal that you must start the removal procedure.

Where did I get the Worm:Win32/Mofksys?

General tactics of Worm:Win32/Mofksys distribution are usual for all other ransomware examples. Those are one-day landing sites where users are offered to download and install the free software, so-called bait emails and hacktools. Bait e-mails are a quite new tactic in malware distribution – you get the email that imitates some regular notifications about shipments or bank service conditions modifications. Within the e-mail, there is a malicious MS Office file, or a link which opens the exploit landing page.

Malicious email spam

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

Avoiding it looks pretty uncomplicated, however, still requires a lot of attention. Malware can hide in different places, and it is better to stop it even before it invades your PC than to rely upon an anti-malware program. Common cybersecurity awareness is just an important item in the modern world, even if your relationship with a PC remains on YouTube videos. That can keep you a lot of money and time which you would spend while trying to find a fixing guide.

Worm:Win32/Mofksys malware technical details

File Info:

name: B2115FFBF47E8529B1D7.mlwpath: /opt/CAPEv2/storage/binaries/bff41ff86d68788b51c04f57eceb8e81faaf497fc359d28ac51ed7a2fcb13023crc32: 8450859Amd5: b2115ffbf47e8529b1d76e5d0ba9bb08sha1: 5cecde1e9b814a44cd3eba7185f3d86e96d56bf4sha256: bff41ff86d68788b51c04f57eceb8e81faaf497fc359d28ac51ed7a2fcb13023sha512: 897c8b99184027a91ce839df78deb2404927e8359a2c85764e2d1fd47feda0d889847b1e699e4ef07a729c107d51a114ba4f71265fd833a4cd2549d9f64d2b3fssdeep: 49152:S46/TBevM4qITxAs1cmTm6yU9K/C+5ftYMALbotv4IYZnITofy6OFSL6NOFtstcp:S4kBe04qJs1PByU9K6+nYM0botv4IYNTtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1E4D533A927A67C61E9D80D3C6131D3C45EC50461E39C216F3214AB4FFF935B4AD6AA0Bsha3_384: f60e26207d17a174563476e7adff1110df143c1470188da80f84c8320081bbf1a9cc4dbb235cd8ea75c2add53cd96221ep_bytes: e84b0100005389e3538b73088b7b10fctimestamp: 2013-04-01 07:08:22

Version Info:

Translation: 0x0409 0x04b0ProductName: Project1FileVersion: 1.00ProductVersion: 1.00InternalName: TJprojMainOriginalFilename: TJprojMain.exe

Worm:Win32/Mofksys also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.Generic.lqwq
tehtris Generic.Malware
MicroWorld-eScan Trojan.GenericKD.63556133
FireEye Generic.mg.b2115ffbf47e8529
McAfee Artemis!B2115FFBF47E
Cylance unsafe
VIPRE Trojan.GenericKD.63556133
Sangfor Suspicious.Win32.Save.a
K7AntiVirus P2PWorm ( 000dfe321 )
BitDefender Trojan.GenericKD.63556133
K7GW P2PWorm ( 000dfe321 )
CrowdStrike win/malicious_confidence_100% (W)
Arcabit Trojan.Generic.D3C9CA25
BitDefenderTheta AI:Packer.D382F40D1D
Cyren W32/VB.UK.gen!Eldorado
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/GenKryptik.FHVH
Cynet Malicious (score: 100)
APEX Malicious
Paloalto generic.ml
ClamAV Win.Packed.Genkryptik-9856307-0
Kaspersky VHO:Trojan-Ransom.Win32.GenericML.xnet
Alibaba Trojan:Win32/GenKryptik.727c2225
NANO-Antivirus Virus.Win32.Gen-Crypt.ccnc
Rising Trojan.Tiggre!8.ED98 (TFE:1:ij0SqVzHLvU)
Emsisoft Trojan.GenericKD.63556133 (B)
F-Secure Trojan.TR/Dropper.Gen
Zillya Trojan.GenKryptik.Win32.157228
TrendMicro TROJ_GEN.R03BC0RJQ22
McAfee-GW-Edition BehavesLike.Win32.Generic.vc
Trapmine malicious.high.ml.score
Sophos Mal/Agent-AUZ
Ikarus Trojan.Crypt
Avira TR/Dropper.Gen
MAX malware (ai score=81)
Antiy-AVL Trojan/Win32.Wacatac
Microsoft Worm:Win32/Mofksys
ZoneAlarm VHO:Trojan-Ransom.Win32.GenericML.xnet
GData Trojan.GenericKD.63556133
Google Detected
AhnLab-V3 Trojan/Win.Heur.R427061
Acronis suspicious
ALYac Trojan.GenericKD.63556133
DeepInstinct MALICIOUS
Malwarebytes Malware.AI.492775212
Panda Trj/Genetic.gen
Zoner Probably Heur.ExeHeaderL
TrendMicro-HouseCall TROJ_GEN.R03BC0RJQ22
Tencent Malware.Win32.Gencirc.10bde297
Yandex Trojan.GenAsa!wd+WJxD8+PM
SentinelOne Static AI – Suspicious PE
MaxSecure Virus.W32.Agent.xjgj
Fortinet W32/GenKryptik.FHVH!tr
AVG Win32:Evo-gen [Trj]
Cybereason malicious.bf47e8
Avast Win32:Evo-gen [Trj]

How to remove Worm:Win32/Mofksys?

About the author

Robert Bailey

Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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