MSIL:Agent-CAS [Trj]

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

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

In this short article you will certainly discover regarding the meaning of MSIL:Agent-CAS [Trj] as well as its negative impact on your computer system. Such ransomware are a type of malware that is elaborated by online scams to require paying the ransom money by a sufferer.

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Most of the cases, MSIL:Agent-CAS [Trj] ransomware will certainly advise its targets to initiate funds move for the objective of reducing the effects of the amendments that the Trojan infection has actually presented to the sufferer’s tool.

MSIL:Agent-CAS [Trj] Summary

These adjustments can be as follows:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Creates RWX memory;
  • Guard pages use detected – possible anti-debugging.;
  • Dynamic (imported) function loading detected;
  • Enumerates the modules from a process (may be used to locate base addresses in process injection);
  • CAPE extracted potentially suspicious content;
  • .NET file is packed/obfuscated with SmartAssembly;
  • Authenticode signature is invalid;
  • Network activity detected but not expressed in API logs;
  • Ciphering the documents situated on the victim’s hard drive — so the target can no more use the data;
  • Preventing normal accessibility to the target’s workstation;

MSIL:Agent-CAS [Trj]

One of the most regular channels through which MSIL:Agent-CAS [Trj] Trojans are injected are:

  • By ways of phishing emails;
  • As an effect of individual ending up on a resource that hosts a malicious software;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the data on the sufferer’s PC or protect against the tool from functioning in a proper way – while also positioning a ransom money note that discusses the requirement for the targets to effect the payment for the function of decrypting the documents or recovering the documents system back to the initial condition. In most instances, the ransom money note will certainly show up when the client restarts the COMPUTER after the system has actually currently been damaged.

MSIL:Agent-CAS [Trj] circulation channels.

In numerous corners of the globe, MSIL:Agent-CAS [Trj] expands by leaps as well as bounds. Nonetheless, the ransom notes and techniques of obtaining the ransom money amount may vary depending upon particular local (local) setups. The ransom money notes and techniques of obtaining the ransom money quantity might differ depending on certain local (local) setups.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software application.

    In particular locations, the Trojans typically wrongfully report having detected some unlicensed applications allowed on the victim’s device. The sharp after that requires the customer to pay the ransom.

    Faulty declarations concerning unlawful content.

    In nations where software program piracy is much less preferred, this method is not as effective for the cyber frauds. Additionally, the MSIL:Agent-CAS [Trj] popup alert may incorrectly declare to be deriving from a law enforcement institution and will certainly report having situated youngster pornography or various other unlawful information on the gadget.

    MSIL:Agent-CAS [Trj] popup alert might incorrectly assert to be obtaining from a law enforcement establishment as well as will certainly report having located child porn or other illegal data on the gadget. The alert will in a similar way contain a requirement for the customer to pay the ransom money.

Technical details

File Info:

name: 85553E45DAA2F01CEDA6.mlw
path: /opt/CAPEv2/storage/binaries/e2c4b532d58cf0c0bce5d654903f5d0df3572c05115b72572a0a663646cc06d5
crc32: C2C117F3
md5: 85553e45daa2f01ceda6406e38c28c25
sha1: cac93cf39f77861555039e95747d9334abc62cc9
sha256: e2c4b532d58cf0c0bce5d654903f5d0df3572c05115b72572a0a663646cc06d5
sha512: f319d91e757b9ffbbbbcb66c9c2d4add56fe7232a6bfc7937d606da8426249da5e7ade3266f8dc6457275744dbbaeb23bd4366f3ae6c32ac85f99c440b539216
ssdeep: 6144:u8txpmhmTpmTL5AhXOh6HgC61odHkHoKzJP2VjfKlKb7ewoZd:7xAhmlmq5OhxPoE+VGlKmwoZd
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T14F8401C1364C8775D9B906FF48A3617407B69C278782E7667C983F2F387638B0916A4B
sha3_384: 5165f623e445d1b84e35df10e82abd64f02bcb694f4e0b79b75dfa11196b410ccb04bd323970132d794bb3d4f5bcd55a
ep_bytes: ff250020400000000000000000000000
timestamp: 2015-03-23 15:00:16

Version Info:

0: [No Data]

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

GridinSoft Trojan.Ransom.Gen
Lionic Trojan.Win32.Generic.m431
MicroWorld-eScan Gen:Heur.MSIL.Krypt.!cdmip!.2
FireEye Generic.mg.85553e45daa2f01c
McAfee RDN/Generic Dropper
Cylance Unsafe
K7AntiVirus Trojan ( 004bc18d1 )
Alibaba Trojan:MSIL/NanoBot.d8a657d4
K7GW Trojan ( 004bc18d1 )
Cybereason malicious.5daa2f
Cyren W32/Trojan.HBET-1347
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/TrojanDropper.Agent.BBQ
APEX Malicious
Kaspersky HEUR:Trojan.MSIL.NanoBot.gen
BitDefender Gen:Heur.MSIL.Krypt.!cdmip!.2
Avast MSIL:Agent-CAS [Trj]
Tencent Malware.Win32.Gencirc.11d85a4a
Ad-Aware Gen:Heur.MSIL.Krypt.!cdmip!.2
Sophos Mal/Generic-R + Mal/MSIL-PP
DrWeb Trojan.Rent.166
TrendMicro TROJ_GEN.R002C0RKL21
McAfee-GW-Edition RDN/Generic Dropper
Emsisoft Gen:Heur.MSIL.Krypt.!cdmip!.2 (B)
Ikarus Trojan-Dropper.MSIL.Agent
GData Gen:Heur.MSIL.Krypt.!cdmip!.2
Jiangmin Trojan.Generic.gctfo
eGambit Unsafe.AI_Score_99%
Avira TR/Dropper.Gen
MAX malware (ai score=88)
Antiy-AVL Trojan/Generic.ASMalwS.F91861
Gridinsoft Ransom.Win32.Sabsik.sa
ViRobot Trojan.Win32.Z.Agent.393230.B
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Agent.R149862
BitDefenderTheta Gen:NN.ZemsilF.34294.ym3@aSKkpOf
ALYac Gen:Heur.MSIL.Krypt.!cdmip!.2
VBA32 TScope.Trojan.MSIL
Malwarebytes Backdoor.NanoCore
TrendMicro-HouseCall TROJ_GEN.R002C0RKL21
Yandex Trojan.Fsysna!soQ5cXZOvJg
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Agent.BBQ!tr
AVG MSIL:Agent-CAS [Trj]
Panda Trj/CI.A
CrowdStrike win/malicious_confidence_90% (W)

How to remove MSIL:Agent-CAS [Trj] 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-CAS [Trj] 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:Agent-CAS [Trj] 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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