Ransom:BAT/DisableDefender.A!dha

Attention: Your PC is at significant risk due to the detection of the Ransom:BAT/DisableDefender.A!dha malware. This malicious software functions as ransomware, encrypting your files and demanding payment for decryption. Immediate action is necessary to stop its impact.

What is Ransom:BAT/DisableDefender.A!dha virus?

Ransom:BAT/DisableDefender.A!dha operates as ransomware-type malware. It actively searches for files on your disk drives, encrypts them, and demands a ransom in exchange for the decryption key. In addition to locking your documents, this virus also inflicts significant harm to your system. It modifies the networking setups to hinder your access to removal manuals or the download of anti-malware programs. In rare instances, Ransom:BAT/DisableDefender.A!dha may even prevent the launch of anti-malware programs.

Ransom:BAT/DisableDefender.A!dha Summary

In summary, Ransom:BAT/DisableDefender.A!dha virus actions in the infected system are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Anomalous file deletion behavior detected (10+);
  • Dynamic (imported) function loading detected;
  • Enumerates running processes;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • A HTTP/S link was seen in a script or command line;
  • Drops a binary and executes it;
  • The binary contains an unknown PE section name indicative of packing;
  • The binary likely contains encrypted or compressed data.;
  • The executable is compressed using UPX;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Deletes its original binary from disk;
  • Created a process from a suspicious location;
  • Creates a copy of itself;
  • Collects information to fingerprint the system;
  • Uses suspicious command line tools or Windows utilities;
  • Encrypting the documents located on the victim’s disk drive — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of anti-malware programs

Ransomware has been a headache for the last 4 years. It is difficult to imagine a more hazardous malware for both individual users and corporations. The algorithms used in Ransom:BAT/DisableDefender.A!dha (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy already exists, and possibly will exist. However, that virus does not do all these horrible things without delay – it can take up to several hours to cipher all of your files. Therefore, seeing the Ransom:BAT/DisableDefender.A!dha detection is a clear signal that you should begin the removal procedure.

Where did I get the Ransom:BAT/DisableDefender.A!dha?

Standard tactics of Ransom:BAT/DisableDefender.A!dha spreading are common for all other ransomware examples. Those are one-day landing web pages where victims are offered to download the free software, so-called bait emails and hacktools. Bait emails are a quite new tactic in malware spreading – you receive the email that mimics some routine notifications about shipments or bank service conditions changes. Within the email, there is an infected MS Office file, or a link which leads to the exploit landing page.

Malicious email spam

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

Preventing it looks fairly uncomplicated, however, still demands a lot of recognition. Malware can hide in different places, and it is far better to stop it even before it goes into your computer than to rely upon an anti-malware program. Standard cybersecurity awareness is just an essential item in the modern-day world, even if your relationship with a computer stays on YouTube videos. That may keep you a lot of money and time which you would spend while trying to find a fix guide.

Ransom:BAT/DisableDefender.A!dha malware technical details

File Info:

name: F7B04EB83694EAB061DA.mlwpath: /opt/CAPEv2/storage/binaries/2c88a7bdc01f30db3f0dade89092e7e7c0691ce8fe65708b9f482e92185663bdcrc32: 67CA4E07md5: f7b04eb83694eab061da08ad4e492eabsha1: 89ed7b563a8e53604d59bc7f701ee62bb03572e5sha256: 2c88a7bdc01f30db3f0dade89092e7e7c0691ce8fe65708b9f482e92185663bdsha512: e61ec1a97296936ae02ef7c1c74e6503094445fb6bd2b17e6239fdc3c1bdb4cc298839eb9dabca1abd216828102aaf5e6d225841863aaaa3f86757c08bb38632ssdeep: 12288:E6RwQw7OngR7HlZM0/EprtUMLmwdaRrbukjaJ3p:EjOmF20/EHfPK67ptype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1F5B42364455931E0C7CA0C384F6F71F2C66A24A206C6B1925FEFCAC1DF3A9D2E3A144Bsha3_384: 41d73474246be9c377629572f929f627155e25f307677369cab9c96697855b03ee56fcfee2a1b982fae856383f388b63ep_bytes: 60be00f045008dbe0020faff5783cdfftimestamp: 2021-12-05 18:49:38

Version Info:

0: [No Data]

DisableDefender malware is also known as:

Bkav W32.AIDetect.malware2
Lionic Trojan.Win32.Scar.lpjJ
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Fragtor.45302
FireEye Generic.mg.f7b04eb83694eab0
CAT-QuickHeal Trojan.MauvaiseRI.S5244766
McAfee RDN/Generic.cf
Cylance Unsafe
K7AntiVirus Adware ( 005070c51 )
Alibaba Exploit:Win32/BypassUAC.f9520600
K7GW Adware ( 005070c51 )
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Packed.BlackMoon.A potentially unwanted
APEX Malicious
Paloalto generic.ml
ClamAV Win.Dropper.Tiggre-9845940-0
Kaspersky Exploit.Win32.BypassUAC.acfs
BitDefender Gen:Variant.Fragtor.45302
Avast Win32:Evo-gen [Susp]
Ad-Aware Gen:Variant.Fragtor.45302
Emsisoft Gen:Variant.Fragtor.45302 (B)
DrWeb Trojan.Siggen16.422
TrendMicro TROJ_GEN.R002C0WL921
McAfee-GW-Edition BehavesLike.Win32.Trojan.hc
Sophos BlackMoon Packed (PUA)
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_100%
Avira HEUR/AGEN.1135228
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:BAT/DisableDefender.A!dha
GData Win32.Trojan.Agent.WP
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.Generic.C4710252
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34084.FmGfayoWe1dH
ALYac Gen:Variant.Fragtor.45302
MAX malware (ai score=87)
VBA32 BScope.Trojan.Blamon
TrendMicro-HouseCall TROJ_GEN.R002C0WL921
Rising Trojan.Injector!1.A1C3 (CLASSIC)
Yandex Exploit.BypassUAC!JAyjpGTBwAw
Ikarus Trojan.MSIL.Small
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/CoinMiner.ESFJ!tr
AVG Win32:Evo-gen [Susp]
Cybereason malicious.83694e
Panda Trj/GdSda.A

How to remove the DisableDefender.A!dha malware?

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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