MSIL/Agent.BDH

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is MSIL/Agent.BDH infection?

In this short article you will certainly discover about the definition of MSIL/Agent.BDH and its adverse influence on your computer system. Such ransomware are a type of malware that is clarified by on-line scams to demand paying the ransom by a sufferer.

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Most of the situations, MSIL/Agent.BDH infection will certainly advise its sufferers to launch funds transfer for the purpose of reducing the effects of the changes that the Trojan infection has actually presented to the victim’s tool.

MSIL/Agent.BDH Summary

These modifications can be as adheres to:

  • 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.
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records located on the victim’s disk drive — so the sufferer can no more make use of the data;
  • Preventing normal access to the sufferer’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/Agent.BDH

One of the most normal channels through which MSIL/Agent.BDH are injected are:

  • By means of phishing emails;
  • As an effect of user ending up on a source that holds a malicious software program;

As quickly as the Trojan is efficiently injected, it will either cipher the data on the sufferer’s computer or prevent the gadget from working in an appropriate fashion – while also positioning a ransom note that states the requirement for the sufferers to impact the repayment for the function of decrypting the files or recovering the data system back to the first problem. In most instances, the ransom note will turn up when the client restarts the COMPUTER after the system has currently been harmed.

MSIL/Agent.BDH circulation channels.

In different corners of the globe, MSIL/Agent.BDH expands by leaps and bounds. Nevertheless, the ransom notes and also techniques of obtaining the ransom money quantity may differ depending on particular local (regional) setups. The ransom notes and tricks of obtaining the ransom amount might vary depending on specific neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty signals concerning unlicensed software.

    In specific areas, the Trojans frequently wrongfully report having discovered some unlicensed applications enabled on the victim’s tool. The alert after that requires the user to pay the ransom money.

    Faulty statements regarding unlawful content.

    In countries where software application piracy is much less popular, this approach is not as reliable for the cyber scams. Alternatively, the MSIL/Agent.BDH popup alert might wrongly assert to be stemming from a police establishment as well as will report having situated kid porn or various other prohibited data on the device.

    MSIL/Agent.BDH popup alert may incorrectly declare to be obtaining from a regulation enforcement institution and also will certainly report having situated kid pornography or various other prohibited data on the gadget. The alert will in a similar way have a need for the customer to pay the ransom.

Technical details

File Info:

crc32: B4C3DD2B
md5: e4aae4783383f135dab68b03a6aab5cc
name: E4AAE4783383F135DAB68B03A6AAB5CC.mlw
sha1: 7ff0fca5b7af893a851841a1fa1efb3a20f6f91e
sha256: d940baa831b90bd70f7f85d20141545498dc5baecb7a83f12fae0f61c850c7f7
sha512: 1642718e4889aad72d15672e73836243136574240826e592111da69a9321eaa7c6b84a4de5413251ec45d14da441465b39f07e128d9b37307d10c01ff8f21da1
ssdeep: 192:sdvXmYkyTs1IjVHWCMwcHb7LRoIfdyP14waVWTjcGOaHpBrSPgWoG:s4YxPFMwcvLRoSUt9aJGOjIWo
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 Microsoft 2011
Assembly Version: 1.0.0.0
InternalName: java.exe
FileVersion: 1.0.0.0
CompanyName: Microsoft
ProductName: java
ProductVersion: 1.0.0.0
FileDescription: java
OriginalFilename: java.exe

MSIL/Agent.BDH also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusTrojan ( 00517bc51 )
DrWebTrojan.DownLoader25.46986
CynetMalicious (score: 85)
ALYacGen:Heur.MSIL.Krypt.2
CylanceUnsafe
ZillyaTrojan.Blocker.Win32.38995
SangforTrojan.Win32.Save.a
AlibabaRansom:Win32/Blocker.dd810063
K7GWTrojan ( 00517bc51 )
Cybereasonmalicious.83383f
SymantecTrojan.Gen.MBT
ESET-NOD32a variant of MSIL/Agent.BDH
AvastWin32:Malware-gen
KasperskyTrojan-Ransom.Win32.Blocker.kjby
BitDefenderGen:Heur.MSIL.Krypt.2
NANO-AntivirusTrojan.Win32.Blocker.etusvp
MicroWorld-eScanGen:Heur.MSIL.Krypt.2
TencentWin32.Trojan.Blocker.Akow
Ad-AwareGen:Heur.MSIL.Krypt.2
SophosMal/Generic-S
BitDefenderThetaGen:NN.ZemsilF.34608.am0@aeGfJCm
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionArtemis!Trojan
FireEyeGeneric.mg.e4aae4783383f135
EmsisoftGen:Heur.MSIL.Krypt.2 (B)
SentinelOneStatic AI – Malicious PE
AviraTR/ATRAPS.Gen
eGambitUnsafe.AI_Score_99%
MicrosoftBackdoor:Win32/Bladabindi!ml
ArcabitTrojan.MSIL.Krypt.2
AegisLabTrojan.Win32.Blocker.4!c
ZoneAlarmTrojan-Ransom.Win32.Blocker.kjby
GDataGen:Heur.MSIL.Krypt.2
McAfeeArtemis!E4AAE4783383
MAXmalware (ai score=99)
VBA32Trojan.MSIL.gen.a.13
PandaTrj/GdSda.A
RisingRansom.Blocker!8.12A (CLOUD)
IkarusTrojan.MSIL.Agent
FortinetMSIL/Agent.BDH!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.Blocker.HgIASOcA

How to remove MSIL/Agent.BDH virus?

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

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

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/Agent.BDH 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove MSIL/Agent.BDH 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/comparison

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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