MSIL:Agent-CIB [Trj]

What is MSIL:Agent-CIB [Trj] infection?

In this short article you will locate concerning the meaning of MSIL:Agent-CIB [Trj] as well as its negative effect on your computer system. Such ransomware are a form of malware that is elaborated by online frauds to demand paying the ransom by a target.

In the majority of the situations, MSIL:Agent-CIB [Trj] infection will instruct its sufferers to start funds transfer for the function of neutralizing the amendments that the Trojan infection has introduced to the target’s tool.

MSIL:Agent-CIB [Trj] Summary

These adjustments can be as follows:

  • 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Uses Windows utilities for basic functionality;
  • 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;
  • Ciphering the records situated on the victim’s disk drive — so the sufferer can no longer make use of the data;
  • Preventing regular 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.
Similar behavior
Related domains
server5319.us.to Ransom.Generic!8.E315 (TFE:dGZlOg13gg7WTw3zVg)

MSIL:Agent-CIB [Trj]

One of the most regular networks where MSIL:Agent-CIB [Trj] Trojans are infused are:

  • By ways of phishing emails;
  • As an effect of customer ending up on a resource that holds a destructive software;

As quickly as the Trojan is effectively infused, it will certainly either cipher the data on the victim’s computer or avoid the device from functioning in a proper fashion – while also positioning a ransom note that points out the requirement for the sufferers to effect the repayment for the objective of decrypting the records or restoring the file system back to the preliminary condition. In the majority of instances, the ransom money note will certainly show up when the client restarts the PC after the system has currently been harmed.

MSIL:Agent-CIB [Trj] circulation networks.

In numerous corners of the world, MSIL:Agent-CIB [Trj] expands by leaps and also bounds. However, the ransom notes and tricks of extorting the ransom amount might differ depending upon specific local (regional) setups. The ransom money notes and tricks of obtaining the ransom quantity might vary depending on certain regional (regional) settings.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software application.

    In particular areas, the Trojans frequently wrongfully report having identified some unlicensed applications made it possible for on the victim’s device. The alert after that requires the customer to pay the ransom money.

    Faulty declarations concerning illegal content.

    In nations where software program piracy is much less popular, this method is not as efficient for the cyber scams. Conversely, the MSIL:Agent-CIB [Trj] popup alert may falsely claim to be originating from a police institution as well as will certainly report having situated child porn or other prohibited data on the gadget.

    MSIL:Agent-CIB [Trj] popup alert may falsely assert to be obtaining from a regulation enforcement organization and also will report having located child pornography or various other prohibited information on the gadget. The alert will likewise have a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 57C74DB3md5: 60758f07373b0fe2a278d589bcc3facaname: cesco.jpgsha1: 7985fed61f51f0ee8893716e9c36639f71c544d9sha256: 6de51ede209c0879f475526b0277b8cd6e9e39ccaf5ed3a92c84f33f7c9a4c52sha512: 53d9c9059a7c954debd6e01b461dda5703ac594d4803cbf5809f60577fbf9d844a4921b66ed5597c60006b78d3724c6fbd01eed26fc8e88504bb990c11c2ca1dssdeep: 384:MLlzrjDsCc9kLaLrpbqBtzpWOsgQ2eBrXSPxi2VQjyvSskLDOHYCFXPzlpmIMxT:KlzrjDszkLaug2xpVG/mF7C71Btype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Assembly Version: 0.0.0.0InternalName: k.exeFileVersion: 0.0.0.0ProductVersion: 0.0.0.0FileDescription: OriginalFilename: k.exe

MSIL:Agent-CIB [Trj] also known as:

GridinSoft Trojan.Ransom.Gen
DrWeb Trojan.DownLoader25.10174
MicroWorld-eScan Generic.MSIL.Bladabindi.8F1777AC
CAT-QuickHeal Trojan.GenericFC.S6059376
McAfee Trojan-FIGN
Cylance Unsafe
VIPRE Backdoor.MSIL.Bladabindi.a (v)
AegisLab Trojan.Win32.Generic.lWjm
Sangfor Malware
K7AntiVirus Trojan ( 004b99501 )
BitDefender Generic.MSIL.Bladabindi.8F1777AC
K7GW Trojan ( 004b99501 )
Cybereason malicious.7373b0
Arcabit Generic.MSIL.Bladabindi.8F1777AC
Invincea heuristic
BitDefenderTheta Gen:NN.ZemsilF.34098.cm0@aiO2PHc
Cyren W32/MSIL_Agent.CP.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Autorun.Agent.LW
TrendMicro-HouseCall BKDR_BLADABI.SMC
Avast MSIL:Agent-CIB [Trj]
ClamAV Win.Trojan.B-468
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Backdoor:MSIL/Bladabindi.bf63d822
NANO-Antivirus Trojan.Win32.Autorun.gkchaz
Tencent Msil.Worm.Autorun.Wmiv
Ad-Aware Generic.MSIL.Bladabindi.8F1777AC
Emsisoft Generic.MSIL.Bladabindi.8F1777AC (B)
Comodo Backdoor.MSIL.Bladabindi.BSS@7pzdvl
F-Secure Trojan.TR/ATRAPS.Gen
Baidu MSIL.Backdoor.Bladabindi.a
Zillya Worm.Bladabindi.Win32.7954
TrendMicro BKDR_BLADABI.SMC
McAfee-GW-Edition BehavesLike.Win32.Trojan.nm
Fortinet MSIL/Agent.LI!tr
Trapmine malicious.moderate.ml.score
FireEye Generic.mg.60758f07373b0fe2
Sophos Mal/Bladabi-T
Ikarus Trojan-Spy.HawkEye
F-Prot W32/MSIL_Agent.CP.gen!Eldorado
Jiangmin TrojanSpy.Agent.aaxh
MAX malware (ai score=85)
Antiy-AVL Trojan[Backdoor]/MSIL.Bladabindi
Endgame malicious (high confidence)
Microsoft Backdoor:MSIL/Bladabindi.BO
SUPERAntiSpyware Backdoor.NJRat/Variant
ZoneAlarm HEUR:Trojan.Win32.Generic
AhnLab-V3 Win-Trojan/NjRAT01.Exp
Acronis suspicious
VBA32 Trojan.Downloader
ALYac Trojan.MSIL.Bladabindi
Malwarebytes Backdoor.NJRat
Panda Trj/GdSda.A
APEX Malicious
Rising Ransom.Generic!8.E315 (TFE:dGZlOg13gg7WTw3zVg)
Yandex Trojan.Agent!lxq7yBx2J0w
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_99%
GData MSIL.Backdoor.Bladabindi.AV
MaxSecure Trojan.Malware.7164915.susgen
AVG MSIL:Agent-CIB [Trj]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Trojan.b1d

How to remove MSIL:Agent-CIB [Trj] 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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove MSIL:Agent-CIB [Trj] you can always ask me in the comments for getting help.

References

    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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