Ransom:Win32/Bosloki.A

Seeing the Ransom:Win32/Bosloki.A detection means that your computer is in big danger. This malware can correctly be named as ransomware – virus which encrypts your files and asks you to pay for their decryption. Stopping it requires some unusual steps that must be done as soon as possible.

Ransom:Win32/Bosloki.A detection is a malware detection you can spectate in your system. It frequently shows up after the provoking activities on your computer – opening the untrustworthy e-mail messages, clicking the advertisement in the Internet or setting up the program from untrustworthy sources. From the moment it appears, you have a short time to do something about it until it starts its harmful activity. And be sure – it is better not to wait for these destructive actions.

What is Ransom:Win32/Bosloki.A virus?

Ransom:Win32/Bosloki.A is ransomware-type malware. It looks for the documents on your disk, encrypts it, and after that asks you to pay the ransom for getting the decryption key. Besides making your documents inaccessible, this malware additionally does a ton of harm to your system. It changes the networking settings in order to stop you from checking out the elimination tutorials or downloading the antivirus. In rare cases, Ransom:Win32/Bosloki.A can even stop the launching of anti-malware programs.

Ransom:Win32/Bosloki.A Summary

In summary, Ransom:Win32/Bosloki.A virus actions in the infected system are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Behavioural detection: Executable code extraction – unpacking;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Dynamic (imported) function loading detected;
  • Enumerates running processes;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Collects and encrypts information about the computer likely to send to C2 server;
  • Installs itself for autorun at Windows startup;
  • Creates known CypherIT/Frenchy Shellcode mutexes;
  • Encrypting the files kept on the victim’s drives — so the victim cannot open these files;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of anti-malware programs

Ransomware has been a headache for the last 4 years. It is hard to imagine a more harmful virus for both individual users and companies. The algorithms utilized in Ransom:Win32/Bosloki.A (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 actually exists, and possibly will exist. But that malware does not do all these unpleasant things without delay – it can take up to several hours to cipher all of your documents. Thus, seeing the Ransom:Win32/Bosloki.A detection is a clear signal that you must begin the clearing process.

Where did I get the Ransom:Win32/Bosloki.A?

Ordinary tactics of Ransom:Win32/Bosloki.A spreading are typical for all other ransomware variants. Those are one-day landing sites where victims are offered to download the free app, so-called bait emails and hacktools. Bait e-mails are a pretty new strategy in malware distribution – you receive the e-mail that imitates some routine notifications about shippings or bank service conditions modifications. Within the e-mail, there is an infected 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 quite simple, however, still demands tons of recognition. Malware can hide in different spots, and it is better to stop it even before it goes into your PC than to rely upon an anti-malware program. Basic cybersecurity awareness is just an essential thing in the modern world, even if your interaction with a computer stays on YouTube videos. That may save you a great deal of time and money which you would spend while seeking a fix guide.

Ransom:Win32/Bosloki.A malware technical details

File Info:

name: AE33A84431F7120D14AD.mlwpath: /opt/CAPEv2/storage/binaries/77a9d3bb30d4c76152b423bed43622b6117ffa61781b69b03b805577fdde018dcrc32: FAE09762md5: ae33a84431f7120d14ad23962679e770sha1: 25c20c4f55414b0815194ab53947c6a29472ce7fsha256: 77a9d3bb30d4c76152b423bed43622b6117ffa61781b69b03b805577fdde018dsha512: c77e2c090c8d7d267d2b834743629d4aead4cadeddff3705a29265d63a52e6a9d286ee2cd625bd851ba45311606b9f1ce1dfc4f44120a22c03f3b65fe233d7c1ssdeep: 24576:bAHnh+eWsN3skA4RV1Hom2KXMmHaIDHpKzWH1TNCj5:2h+ZkldoPK8YaIjmEOtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1AA35AD02B3D1D076FFAA92739B66F20556BC7D290133852F13982DB9BD701B1263E663sha3_384: 07f1e68aaa40c9adbc69bba302d29c7f07f56a9ac9532ae6f2ae31df9cae04ccdb3a260525d0c9c2306eaeb434f20f98ep_bytes: e8c8d00000e97ffeffffcccccccccccctimestamp: 2019-09-24 13:23:02

Version Info:

FileDescription: EhStorAuthnOriginalFilename: replaceCompanyName: FirstLogonAnimFileVersion: 11.229.373.742LegalCopyright: bootuxProductName: controlProductVersion: 792.218.924.482Translation: 0x0409 0x04b0

Ransom:Win32/Bosloki.A also known as:

Bkav W32.AIDetect.malware1
Lionic Hacktool.Win32.Gamehack.3!e
Elastic malicious (high confidence)
DrWeb Trojan.KillProc2.6520
MicroWorld-eScan Gen:Trojan.Heur.AutoIT.16
FireEye Gen:Trojan.Heur.AutoIT.16
CAT-QuickHeal Trojan.AgentSM.S6640034
ALYac Gen:Trojan.Heur.AutoIT.16
Cylance Unsafe
K7AntiVirus Riskware ( 0040eff71 )
Alibaba Backdoor:AutoIt/AutoitInject.c9478bd2
K7GW Riskware ( 0040eff71 )
Cybereason malicious.431f71
BitDefenderTheta AI:Packer.C93748341A
Cyren W32/AutoIt.RK.gen!Eldorado
Symantec Packed.Generic.548
ESET-NOD32 a variant of Win32/Injector.Autoit.EIJ
TrendMicro-HouseCall Backdoor.AutoIt.BLADABINDI.SMP
Paloalto generic.ml
ClamAV Win.Malware.Autoit-7191337-0
Kaspersky Trojan.Script.Obit.gen
BitDefender Gen:Trojan.Heur.AutoIT.16
NANO-Antivirus Trojan.Win32.Bladabindi.gaxdbv
Avast AutoIt:Dropper-DL [Trj]
Tencent Msil.Backdoor.Bladabindi.Lnxr
Ad-Aware Gen:Trojan.Heur.AutoIT.16
Emsisoft Gen:Trojan.Heur.AutoIT.16 (B)
VIPRE Trojan.Win32.Generic!BT
TrendMicro Backdoor.AutoIt.BLADABINDI.SMP
McAfee-GW-Edition BehavesLike.Win32.TrojanAitInject.tc
Sophos Mal/Generic-S
Ikarus Trojan.Autoit
GData Gen:Trojan.Heur.AutoIT.16
Avira DR/AutoIt.Gen8
MAX malware (ai score=87)
Antiy-AVL Trojan/Generic.ASCommon.168
Arcabit Trojan.Heur.AutoIT.16
Microsoft Ransom:Win32/Bosloki.A
Cynet Malicious (score: 99)
AhnLab-V3 Trojan/AU3.Wacatac.S1079
McAfee Artemis!AE33A84431F7
VBA32 Trojan.KillProc
Malwarebytes Malware.AI.1690431854
APEX Malicious
Rising Trojan.Obfus/Autoit!1.BD7E (CLASSIC)
MaxSecure Trojan.Malware.300983.susgen
Fortinet AutoIt/Injector.EIE!tr
AVG AutoIt:Dropper-DL [Trj]
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_80% (D)

How to remove Ransom:Win32/Bosloki.A?

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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