Written by Robert Bailey

What is Trojan.JS.Agent.KVR infection?

In this article you will certainly discover concerning the interpretation of Trojan.JS.Agent.KVR and also its adverse influence on your computer system. Such ransomware are a kind of malware that is clarified by on-line scams to require paying the ransom money by a target.

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In the majority of the situations, Trojan.JS.Agent.KVR infection will certainly advise its targets to start funds move for the function of neutralizing the amendments that the Trojan infection has presented to the sufferer’s device.

Trojan.JS.Agent.KVR Summary

These adjustments can be as adheres to:

  • A wscript.exe process commonly used in script or document file downloaders initiated network activity;
  • Attempts to modify proxy settings;
  • Ciphering the documents found on the victim’s disk drive — so the sufferer can no longer utilize the information;
  • Preventing normal access to the target’s workstation;

Related domains: Trojan-Ransom.Script.Locky


The most normal channels whereby Trojan.JS.Agent.KVR Ransomware are injected are:

  • By ways of phishing emails;
  • As a consequence of individual ending up on a source that holds a harmful software;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the data on the victim’s PC or prevent the device from working in an appropriate manner – while additionally placing a ransom note that points out the demand for the sufferers to impact the repayment for the purpose of decrypting the records or restoring the data system back to the first condition. In the majority of instances, the ransom money note will turn up when the client restarts the PC after the system has actually already been damaged.

Trojan.JS.Agent.KVR distribution channels.

In various edges of the world, Trojan.JS.Agent.KVR grows by leaps as well as bounds. Nevertheless, the ransom notes and also techniques of extorting the ransom quantity may vary relying on certain neighborhood (regional) setups. The ransom notes and methods of extorting the ransom amount may differ depending on specific regional (local) settings.

Ransomware injection

As an example:

    Faulty signals about unlicensed software program.

    In certain locations, the Trojans often wrongfully report having actually identified some unlicensed applications enabled on the sufferer’s device. The sharp after that demands the user to pay the ransom money.

    Faulty declarations regarding illegal web content.

    In nations where software program piracy is much less preferred, this method is not as reliable for the cyber frauds. Conversely, the Trojan.JS.Agent.KVR popup alert might wrongly assert to be stemming from a law enforcement institution as well as will certainly report having situated youngster pornography or various other unlawful information on the tool.

    Trojan.JS.Agent.KVR popup alert might falsely assert to be deriving from a legislation enforcement institution and will certainly report having located youngster pornography or other illegal information on the tool. The alert will similarly contain a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 1CB2DBB9
md5: abff5e4e4dfe58207e6b58ea82f958c7
sha1: 2e1b898f021cb17cbad090436ba6ae43212d41b7
sha256: 403ec975638cf2423c4ba02fe3607ca1a5d6494e091b43f8ecc31aea77bbdd05
sha512: 13c51e7da51b9842f828f91749b6ec3e7e2e736947bb824f90a9d89104e1630ce12ade81c0dd9ed78b9775bcd321fc42a9ef77e5fde63440b3e0cf36d4855bc9
ssdeep: 48:9kbIYCB5K2co2/0B0VT68kpe3KIp+tmzTNJrDhgqSMqLKcdwrAu6OaQTXiOTp0G1:ObI/q2ijVTg4QQJrDhgfMI5dwEu6OJv3
type: Zip archive data, at least v2.0 to extract

Version Info:

0: [No Data]

Trojan.JS.Agent.KVR also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Trojan.JS.Agent.KVR
FireEye Trojan.JS.Agent.KVR
CAT-QuickHeal JS.Dropper.AS
McAfee Artemis!ABFF5E4E4DFE
Sangfor Malware
Alibaba TrojanDownloader:JS/Nemucod.a629f656
K7GW Trojan ( 004dfe6d1 )
K7AntiVirus Trojan ( 004dfe6d1 )
Arcabit Trojan.JS.Agent.KVR
Baidu JS.Trojan-Downloader.Nemucod.w
F-Prot JS/Locky.R!Eldorado
Symantec Trojan.Gen.7
ESET-NOD32 JS/TrojanDownloader.Nemucod.UI
TrendMicro-HouseCall JS_LOCKY.SM2
Avast JS:Agent-DUP [Trj]
Kaspersky Trojan.JS.Agent.def
BitDefender Trojan.JS.Agent.KVR
NANO-Antivirus Trojan.Script.Locky.ebzpxi
AegisLab Trojan.JS.Agent.a!c
Tencent Html.Win32.Script.503816
Sophos Mal/DrodZp-A
Comodo TrojWare.JS.TrojanDownloader.Nemucod.TA@74pkot
F-Secure Malware.JS/Dldr.Dridex.777
DrWeb JS.DownLoader.1225
VIPRE Malware.JS.Generic (JS)
TrendMicro JS_LOCKY.SM2
McAfee-GW-Edition JS/Nemucod.eq
Emsisoft Trojan.JS.Agent.KVR (B)
Cyren JS/Locky.R.gen
Jiangmin TrojanDownloader.JS.bcys
Avira HEUR/Suspar.Gen
Antiy-AVL Trojan/Win32.TGeneric
Microsoft TrojanDownloader:JS/Swabfex.P
ViRobot JS.S.Downloader.6160.D
ZoneAlarm Trojan.JS.Agent.def
GData Script.Trojan-Downloader.Nemucod.BC
AhnLab-V3 JS/Downloader
MAX malware (ai score=94)
VBA32 Trojan.JS.Agent.cwr
Rising Downloader.Nemucod!8.34 (TOPIS:E0:i2BEVvMvl7N)
Yandex Trojan.Etecer.bSol7D.23
Ikarus Trojan-Ransom.Script.Locky
Fortinet JS/Nemucod.ACA!tr
AVG JS:Agent-DUP [Trj]
Qihoo-360 trojan.js.downloader.1

How to remove Trojan.JS.Agent.KVR 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

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.JS.Agent.KVR 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.JS.Agent.KVR 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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