Written by Robert Bailey

What is Trojan.Agent infection?

In this article you will certainly find regarding the interpretation of Trojan.Agent as well as its unfavorable effect on your computer system. Such ransomware are a kind of malware that is clarified by on the internet frauds to require paying the ransom by a victim.

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Most of the instances, Trojan.Agent virus will instruct its sufferers to initiate funds move for the purpose of counteracting the modifications that the Trojan infection has presented to the target’s device.

Trojan.Agent Summary

These alterations can be as follows:

  • Executable code extraction;
  • Creates RWX memory;
  • Unconventionial language used in binary resources: Japanese;
  • The binary likely contains encrypted or compressed data.;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • Steals private information from local Internet browsers;
  • Collects information to fingerprint the system;
  • Anomalous binary characteristics;
  • Ciphering the papers found on the victim’s hard disk — so the sufferer can no more use the data;
  • Preventing routine accessibility to the target’s workstation;

Related domains: BehavesLike.Win32.Vundo.hc


The most typical channels through which Trojan.Agent Ransomware are injected are:

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

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the target’s computer or stop the tool from working in a correct fashion – while likewise putting a ransom note that discusses the demand for the targets to impact the payment for the function of decrypting the documents or bring back the data system back to the first condition. In a lot of instances, the ransom money note will turn up when the customer reboots the PC after the system has currently been damaged.

Trojan.Agent distribution networks.

In numerous corners of the globe, Trojan.Agent expands by leaps and also bounds. However, the ransom notes and tricks of obtaining the ransom money amount may differ depending on particular regional (regional) setups. The ransom money notes and techniques of extorting the ransom money quantity might differ depending on certain neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty informs about unlicensed software.

    In particular areas, the Trojans frequently wrongfully report having identified some unlicensed applications allowed on the target’s tool. The alert then requires the individual to pay the ransom money.

    Faulty declarations about prohibited content.

    In nations where software program piracy is less preferred, this method is not as efficient for the cyber scams. Alternatively, the Trojan.Agent popup alert may incorrectly assert to be stemming from a law enforcement establishment and also will certainly report having located child pornography or various other unlawful data on the device.

    Trojan.Agent popup alert may wrongly claim to be obtaining from a law enforcement institution and also will certainly report having situated child porn or other illegal data on the tool. The alert will likewise contain a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: A536E40F
md5: fc1419e60b9a4aa80e49129717a3bc78
name: msupdate.exe
sha1: 5c17b4e9bf4f88409cad43e5e87c7008d6fa14ad
sha256: 5bc508169c99dac78d4910a674eaadc0b35d90eb10715a7a27c353797668eb47
sha512: 080d5fef66f549c43987f0f43e569a5af2e9bdfc8e8f15404e3922f439a3710ba65e431b50c4060703cc84af11668d1430b4ccdadd5b7cd344e5f81e6f72f7a6
ssdeep: 12288:Pq5MjSzcmVCSIfZ/5lGClqhNqMJfCtOLOkKK8oMA6z4:Pq5Mx4C1zlGClktCtOl3P7
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Agent also known as:

Bkav W32.AIDetectVM.malware
MicroWorld-eScan Trojan.GenericKD.33520737
McAfee Artemis!FC1419E60B9A
Cylance Unsafe
Sangfor Malware
K7AntiVirus Trojan ( 005620aa1 )
BitDefender Trojan.GenericKD.33520737
K7GW Trojan ( 005620aa1 )
Cybereason malicious.60b9a4
TrendMicro Trojan.Win32.BANDIT.SM
APEX Malicious
GData Trojan.GenericKD.33520737
Kaspersky Trojan.Win32.Chapak.ejqb
Alibaba Trojan:Win32/Chapak.2fd8bf76
NANO-Antivirus Trojan.Win32.Chapak.hendqc
AegisLab Trojan.Multi.Generic.4!c
Avast Win32:DropperX-gen [Drp]
Tencent Win32.Trojan.Chapak.Eddk
Ad-Aware Trojan.GenericKD.33520737
Emsisoft Trojan.GenericKD.33520737 (B)
DrWeb Trojan.Siggen9.18218
VIPRE Trojan.Win32.Generic!BT
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Vundo.hc
MaxSecure Trojan.Malware.1207211.susgen
Sophos Mal/RyPack-A
Ikarus Trojan.Win32.Crypt
Cyren W32/Trojan.RYXA-1797
Jiangmin Trojan.Chapak.jbo
Antiy-AVL Trojan/Win32.Chapak
Endgame malicious (high confidence)
Arcabit Trojan.Generic.D1FF7C61
ZoneAlarm Trojan.Win32.Chapak.ejqb
Microsoft Trojan:Win32/Azorult.RSV!MTB
AhnLab-V3 Trojan/Win32.MalPe.R327978
Acronis suspicious
VBA32 BScope.Trojan.AET.281105
ALYac Trojan.GenericKD.33520737
Malwarebytes Trojan.Agent
ESET-NOD32 a variant of Win32/Kryptik.HBTR
TrendMicro-HouseCall Trojan.Win32.BANDIT.SM
Rising Trojan.Kryptik!8.8 (CLOUD)
SentinelOne DFI – Malicious PE
Fortinet W32/Kryptik.HBSU!tr
BitDefenderTheta Gen:NN.ZexaF.34100.JGW@auHUOKkG
AVG Win32:DropperX-gen [Drp]
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_90% (W)
Qihoo-360 Win32/Trojan.14a

How to remove Trojan.Agent 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 Trojan.Agent 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 Trojan.Agent you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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