MSIL/Injector.BCU

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

What is MSIL/Injector.BCU infection?

In this article you will certainly locate concerning the meaning of MSIL/Injector.BCU and also its negative influence on your computer. Such ransomware are a kind of malware that is clarified by on-line frauds to require paying the ransom by a target.

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In the majority of the instances, MSIL/Injector.BCU infection will instruct its targets to start funds transfer for the function of neutralizing the modifications that the Trojan infection has introduced to the target’s gadget.

MSIL/Injector.BCU Summary

These modifications can be as follows:

  • Executable code extraction;
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Attempts to connect to a dead IP:Port (3 unique times);
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • Drops a binary and executes it;
  • Performs some HTTP requests;
  • Creates an autorun.inf file;
  • Executed a process and injected code into it, probably while unpacking;
  • Sniffs keystrokes;
  • A process attempted to delay the analysis task by a long amount of time.;
  • A process was set to shut the system down when terminated;
  • Installs itself for autorun at Windows startup;
  • Creates a hidden or system file;
  • Attempts to modify proxy settings;
  • Creates a copy of itself;
  • Ciphering the files found on the target’s disk drive — so the target can no longer use the information;
  • Preventing routine accessibility to the sufferer’s workstation;

Related domains:

z.whorecord.xyz HEUR:Trojan-Ransom.Win32.Generic
a.tomx.xyz HEUR:Trojan-Ransom.Win32.Generic
gruby.sytes.net HEUR:Trojan-Ransom.Win32.Generic
dl.dropbox.com HEUR:Trojan-Ransom.Win32.Generic
ocsp.digicert.com HEUR:Trojan-Ransom.Win32.Generic

MSIL/Injector.BCU

One of the most common channels through which MSIL/Injector.BCU are injected are:

  • By ways of phishing e-mails;
  • As a consequence of customer winding up on a resource that organizes a harmful software application;

As soon as the Trojan is efficiently infused, it will either cipher the information on the sufferer’s computer or avoid the gadget from operating in a proper manner – while also putting a ransom money note that states the need for the victims to effect the settlement for the objective of decrypting the documents or recovering the data system back to the first problem. In most circumstances, the ransom note will turn up when the customer reboots the PC after the system has actually already been harmed.

MSIL/Injector.BCU distribution networks.

In numerous corners of the world, MSIL/Injector.BCU grows by leaps as well as bounds. However, the ransom money notes as well as methods of extorting the ransom quantity may vary relying on particular neighborhood (local) settings. The ransom money notes as well as techniques of extorting the ransom amount may vary depending on specific regional (regional) settings.

Ransomware injection

As an example:

    Faulty signals about unlicensed software application.

    In certain areas, the Trojans typically wrongfully report having actually discovered some unlicensed applications made it possible for on the victim’s tool. The sharp after that requires the customer to pay the ransom.

    Faulty declarations concerning prohibited material.

    In countries where software piracy is much less preferred, this approach is not as effective for the cyber fraudulences. Conversely, the MSIL/Injector.BCU popup alert may incorrectly claim to be stemming from a police institution as well as will certainly report having located youngster porn or various other unlawful information on the device.

    MSIL/Injector.BCU popup alert may falsely assert to be deriving from a legislation enforcement establishment and also will report having located youngster porn or other illegal information on the device. The alert will in a similar way consist of a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 897FB85F
md5: a3af603962fdad31ce64958fb2a591a7
name: A3AF603962FDAD31CE64958FB2A591A7.mlw
sha1: 6d3134de3056ed57946cf7ae24490939e7955015
sha256: 41590ab5e724f281c37773dc3a0794b830f75ec6bf001084f610c1094abc7d47
sha512: 45b2819043b058884e480eaccede5a1469950ac57eac2119fd918d48c290c70ccca858349f6e566ff3b2309e5ce7e2591fb1bac9d02047ca844f08b18508c5c0
ssdeep: 6144:XirtPZxw4eOZzbewa719QIuq9DcPU4hY:y/eSzSV7DQIhcPU46
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 YZjsnRgzU 2011
Assembly Version: 4.9.10.8
InternalName: putty.exe
FileVersion: 7.2.11.7
CompanyName: Plik Obrazu
ProductName: .src File
ProductVersion: 1.0.0.0
FileDescription: Galeria Obrazow Windows
OriginalFilename: putty.exe

MSIL/Injector.BCU also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 004e3b751 )
Elastic malicious (high confidence)
DrWeb BackDoor.Siggen.51508
Cynet Malicious (score: 100)
ALYac Gen:Heur.MSIL.Krypt.11
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Trojan:MSIL/Injector.f9a53799
K7GW Trojan ( 004e3b751 )
Cybereason malicious.962fda
Cyren W32/MSIL_Kryptik.CPN.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Injector.BCU
APEX Malicious
Avast MSIL:Crypt-MI [Trj]
Kaspersky HEUR:Trojan-Ransom.Win32.Generic
BitDefender Gen:Heur.MSIL.Krypt.11
NANO-Antivirus Trojan.Win32.DarkKomet.didybn
MicroWorld-eScan Gen:Heur.MSIL.Krypt.11
Tencent Win32.Trojan.Generic.Lmkt
Ad-Aware Gen:Heur.MSIL.Krypt.11
Sophos Mal/Generic-S
Comodo Backdoor.Win32.Delf.~DP@1mio9l
BitDefenderTheta Gen:NN.ZemsilF.34790.um0@a0M0jjb
VIPRE Trojan.Win32.Generic.pak!cobra
McAfee-GW-Edition Artemis!Trojan
FireEye Generic.mg.a3af603962fdad31
Emsisoft Gen:Heur.MSIL.Krypt.11 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan/Agent.hegh
Avira TR/Dropper.MSIL.Gen
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Heur.KVM007.a.(kcloud)
Microsoft Trojan:Win32/Tiggre!rfn
ZoneAlarm HEUR:Trojan-Ransom.Win32.Generic
GData Gen:Heur.MSIL.Krypt.11
AhnLab-V3 Trojan/Win32.Blocker.R53909
McAfee Artemis!A3AF603962FD
MAX malware (ai score=100)
VBA32 Hoax.Blocker
Malwarebytes PolyRansom.Virus.FileInfector.DDS
Panda Trj/Dtcontx.B
Yandex Trojan.Blocker!I2CKPuZhMu0
Ikarus Backdoor.Win32.DarkKomet
Fortinet W32/Blocker.AUGX!tr
AVG MSIL:Crypt-MI [Trj]
Paloalto generic.ml
Qihoo-360 Win32/TrojanDropper.Generic.HwMAEpsA

How to remove MSIL/Injector.BCU ransomware?

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.

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/Injector.BCU 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove MSIL/Injector.BCU 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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