MSIL/Autorun.Spy.KeyLogger.BK

What is MSIL/Autorun.Spy.KeyLogger.BK infection?

In this post you will discover regarding the definition of MSIL/Autorun.Spy.KeyLogger.BK and also its negative impact on your computer system. Such ransomware are a type of malware that is elaborated by online fraudulences to require paying the ransom money by a victim.

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Most of the cases, MSIL/Autorun.Spy.KeyLogger.BK virus will instruct its victims to launch funds move for the function of neutralizing the modifications that the Trojan infection has actually presented to the sufferer’s tool.

MSIL/Autorun.Spy.KeyLogger.BK Summary

These alterations can be as follows:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • A process attempted to delay the analysis task.;
  • Sniffs keystrokes;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records found on the target’s disk drive — so the sufferer can no more use the data;
  • Preventing routine accessibility to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

MSIL/Autorun.Spy.KeyLogger.BK

The most regular networks through which MSIL/Autorun.Spy.KeyLogger.BK Trojans are injected are:

  • By means of phishing e-mails;
  • As an effect of individual ending up on a resource that organizes a malicious software program;

As soon as the Trojan is successfully infused, it will certainly either cipher the information on the victim’s computer or protect against the device from operating in a proper way – while additionally placing a ransom note that discusses the demand for the sufferers to effect the repayment for the function of decrypting the documents or restoring the file system back to the preliminary problem. In many instances, the ransom money note will turn up when the client reboots the PC after the system has already been damaged.

MSIL/Autorun.Spy.KeyLogger.BK circulation channels.

In various edges of the globe, MSIL/Autorun.Spy.KeyLogger.BK grows by jumps as well as bounds. However, the ransom money notes and also tricks of extorting the ransom quantity may vary relying on particular neighborhood (regional) setups. The ransom money notes and also techniques of extorting the ransom money quantity may differ depending on particular neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty alerts concerning unlicensed software.

    In specific areas, the Trojans usually wrongfully report having discovered some unlicensed applications enabled on the target’s tool. The alert then demands the user to pay the ransom.

    Faulty statements regarding unlawful content.

    In countries where software application piracy is much less prominent, this method is not as effective for the cyber scams. Additionally, the MSIL/Autorun.Spy.KeyLogger.BK popup alert may wrongly declare to be originating from a police establishment as well as will certainly report having located youngster pornography or other unlawful information on the tool.

    MSIL/Autorun.Spy.KeyLogger.BK popup alert might wrongly assert to be obtaining from a law enforcement institution and also will certainly report having situated kid pornography or various other unlawful information on the device. The alert will similarly have a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 1C2E41F3
md5: b2794588b152102f03400b1fe181ab80
name: B2794588B152102F03400B1FE181AB80.mlw
sha1: c9e6c39297720fc6a0e7c3e713002e7e520b73c3
sha256: 5ea415cccd079f5ec09469bb91d11ad939b06557a0ea67b9d82044a38df7d771
sha512: b015335e1509484a6b8ab894e5a79e6cd8aeda4b5e0fdcaae04b7a85c1fc2b02d25a75dbc063adbd511053a1b0f3d9cdf762229f1029ecefbf08139de537fcaa
ssdeep: 192:evuAcZDQHKrzUDi2uPQmNIuW4DFa48pXw/sxAWlaGRza5RAK:VAqUDiRPQmNPRFx8tw/sxAOaGdF
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2016
Assembly Version: 1.0.0.0
InternalName: tauqeeer.exe
FileVersion: 1.0.0.0
ProductName: tauqeeer
ProductVersion: 1.0.0.0
FileDescription: tauqeeer
OriginalFilename: tauqeeer.exe

MSIL/Autorun.Spy.KeyLogger.BK also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader15.26962
Cynet Malicious (score: 85)
ALYac Gen:Variant.Bulz.347859
Cylance Unsafe
Zillya Trojan.Blocker.Win32.38462
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Ransom:Win32/Blocker.00573630
K7GW Spyware ( 00489a921 )
K7AntiVirus Spyware ( 00489a921 )
Symantec Trojan.Gen.2
ESET-NOD32 a variant of MSIL/Autorun.Spy.KeyLogger.BK
APEX Malicious
Avast MSIL:KeyLogger-AC [Spy]
Kaspersky Trojan-Ransom.Win32.Blocker.kcvr
BitDefender Gen:Variant.Bulz.347859
NANO-Antivirus Trojan.Win32.Keylogger.dbnnqc
MicroWorld-eScan Gen:Variant.Bulz.347859
Tencent Win32.Trojan.Blocker.Pdvt
Ad-Aware Gen:Variant.Bulz.347859
Sophos Mal/Generic-S
Comodo Malware@#p3ktuzp6f158
BitDefenderTheta Gen:NN.ZemsilF.34670.am0@aibuujo
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_Blocker.R002C0GAF21
McAfee-GW-Edition Artemis!Trojan
FireEye Generic.mg.b2794588b152102f
Emsisoft Gen:Variant.Bulz.347859 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Blocker.hca
Avira TR/Spy.Gen
eGambit Unsafe.AI_Score_98%
Microsoft TrojanDropper:Win32/Randrew.A!bit
AegisLab Trojan.Win32.Blocker.j!c
ZoneAlarm Trojan-Ransom.Win32.Blocker.kcvr
GData Gen:Variant.Bulz.347859
McAfee Artemis!B2794588B152
MAX malware (ai score=100)
VBA32 TrojanRansom.Blocker
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_Blocker.R002C0GAF21
Rising Ransom.Blocker!8.12A (CLOUD)
Ikarus Trojan.MSIL.Spy
Fortinet MSIL/Keylogger.JUH!tr
AVG MSIL:KeyLogger-AC [Spy]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Blocker.HgIASQoA

How to remove MSIL/Autorun.Spy.KeyLogger.BK virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

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Press “Install” button.

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Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for MSIL/Autorun.Spy.KeyLogger.BK files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove MSIL/Autorun.Spy.KeyLogger.BK you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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