Trojan:Win32/Kovter

Written by Robert Bailey

What is Trojan:Win32/Kovter infection?

In this article you will certainly locate concerning the meaning of Trojan:Win32/Kovter as well as its negative influence on your computer. Such ransomware are a type of malware that is elaborated by on-line frauds to require paying the ransom money by a sufferer.

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Most of the instances, Trojan:Win32/Kovter virus will certainly advise its victims to launch funds transfer for the objective of counteracting the amendments that the Trojan infection has presented to the target’s device.

Trojan:Win32/Kovter Summary

These alterations can be as adheres to:

  • Executable code extraction;
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Creates RWX memory;
  • Attempts to connect to a dead IP:Port (73 unique times);
  • Reads data out of its own binary image;
  • Unconventionial language used in binary resources: Farsi;
  • The binary likely contains encrypted or compressed data.;
  • The executable is compressed using UPX;
  • Exhibits behavior characteristic of Kovter malware;
  • Executed a process and injected code into it, probably while unpacking;
  • Detects VirtualBox through the presence of a library;
  • Detects Sandboxie through the presence of a library;
  • Detects SunBelt Sandbox through the presence of a library;
  • A process attempted to delay the analysis task by a long amount of time.;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Creates a registry key or value with NUL characters to avoid detection with regedit;
  • Installs itself for autorun at Windows startup;
  • Stores JavaScript or a script command in the registry, likely for persistence or configuration;
  • Attempts to identify installed analysis tools by registry key;
  • Checks the version of Bios, possibly for anti-virtualization;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Detects VirtualBox through the presence of a file;
  • Detects VirtualBox through the presence of a registry key;
  • Detects VMware through the presence of a file;
  • Detects VMware through the presence of a registry key;
  • Detects Virtual PC through the presence of a file;
  • Attempts to modify browser security settings;
  • Generates some ICMP traffic;
  • Collects information to fingerprint the system;
  • Ciphering the files situated on the victim’s hard disk — so the target can no more make use of the data;
  • Preventing normal accessibility to the target’s workstation;

Trojan:Win32/Kovter

The most regular channels through which Trojan:Win32/Kovter Ransomware are infused are:

  • By means of phishing emails;
  • As a consequence of customer ending up on a source that hosts a destructive software application;

As soon as the Trojan is effectively injected, it will either cipher the data on the sufferer’s computer or protect against the gadget from functioning in an appropriate fashion – while additionally putting a ransom money note that states the need for the victims to effect the settlement for the objective of decrypting the files or restoring the documents system back to the preliminary condition. In a lot of circumstances, the ransom note will come up when the client restarts the COMPUTER after the system has already been harmed.

Trojan:Win32/Kovter distribution networks.

In various edges of the world, Trojan:Win32/Kovter grows by jumps and also bounds. However, the ransom notes as well as techniques of obtaining the ransom amount may vary depending upon particular local (regional) setups. The ransom money notes as well as techniques of extorting the ransom quantity might differ depending on specific local (local) settings.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software program.

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

    Faulty declarations about prohibited web content.

    In countries where software application piracy is less preferred, this approach is not as efficient for the cyber scams. Conversely, the Trojan:Win32/Kovter popup alert may incorrectly claim to be stemming from a law enforcement organization as well as will report having situated child porn or other illegal data on the gadget.

    Trojan:Win32/Kovter popup alert may falsely declare to be acquiring from a legislation enforcement institution as well as will certainly report having situated youngster pornography or other illegal data on the gadget. The alert will likewise have a need for the customer to pay the ransom.

Technical details

File Info:

crc32: A46E9647
md5: 42817b376d2e9cb4a037f94a6ff12666
name: 42817B376D2E9CB4A037F94A6FF12666.mlw
sha1: 8afeeb4b6fd6e7256963e57085c8e0b4bb584bc8
sha256: d585331cf73902613cb67f42a4abbed947272dbbdcaa12586b12a0b421160fdb
sha512: 463873713788d5966dc20d82b0899ffca59047a87d8dd5df708a964da60f798739cf02de03e4c2b50aef7f0d49308e38d73317d4c007b5c46d8617662e8b0877
ssdeep: 6144:Nya5VWKmoCLdd0F5HkW6EIFrouU7hlFYdn/HpyXwIT:NyawjLnS5bMor9bYFHpyXwM
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

Translation: 0x0409 0x04b0
InternalName: DiplomWork3
FileVersion: 3.07.0024
CompanyName: Flash Game MEC is one of the world's leading
Comments: MEC is one of the world's leading
ProductName: DiplomWork3
ProductVersion: 3.07.0024
FileDescription: MEC is one of the world's leading
OriginalFilename: DiplomWork3.exe

Trojan:Win32/Kovter also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware2
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop6.7552
CAT-QuickHeal Trojan.Kovter
McAfee GenericRXAA-AA!42817B376D2E
Cylance Unsafe
AegisLab Trojan.Win32.Rbot.l3oz
Sangfor Malware
CrowdStrike win/malicious_confidence_80% (D)
BitDefender Trojan.GenericKD.44504597
K7GW Trojan ( 004c61ee1 )
K7AntiVirus Trojan ( 004c61ee1 )
Arcabit Trojan.Generic.D2A71615
Invincea Mal/Generic-S
BitDefenderTheta Gen:NN.ZevbaF.34634.pmNfa8!vGUlO
Cyren W32/Kovtex.B!Generic
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Filecoder.Shade.B
TrendMicro-HouseCall TROJ_KOVTER_EJ2700DD.UVPM
Cynet Malicious (score: 100)
Kaspersky Trojan.Win32.Kovter.abfk
Alibaba Trojan:Win32/Kovter.20034867
NANO-Antivirus Trojan.Win32.Injecter.dxwsdz
MicroWorld-eScan Trojan.GenericKD.44504597
Ad-Aware Trojan.GenericKD.44504597
Emsisoft Trojan.GenericKD.44504597 (B)
Comodo Malware@#3ag1kezbj2u8e
F-Secure Heuristic.HEUR/AGEN.1107464
VIPRE Packer.NSAnti.Gen (v)
TrendMicro TROJ_KOVTER_EJ2700DD.UVPM
McAfee-GW-Edition BehavesLike.Win32.Fareit.dc
FireEye Generic.mg.42817b376d2e9cb4
Sophos Mal/Generic-S
Ikarus Trojan-Ransom.Shade
Jiangmin Trojan.Generic.bbhmy
Avira HEUR/AGEN.1107464
Antiy-AVL Trojan/Win32.Kovter
Gridinsoft Trojan.Win32.Downloader.oa
Microsoft Trojan:Win32/Kovter
SUPERAntiSpyware Trojan.Agent/Gen-Tester
ZoneAlarm Trojan.Win32.Kovter.abfk
GData Win32.Trojan.Kovter.V2LCUS
AhnLab-V3 Trojan/Win32.Agent.R165592
VBA32 TrojanDownloader.Injecter
ALYac Trojan.GenericKD.44504597
MAX malware (ai score=82)
APEX Malicious
Tencent Malware.Win32.Gencirc.11b14439
Yandex Trojan.GenAsa!kP7DdDMvOKg
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Injector.CPDO!tr
Webroot W32.Trojan.Gen
AVG Win32:Trojan-gen
Cybereason malicious.76d2e9
Avast Win32:Trojan-gen
Qihoo-360 Win32/Trojan.303

How to remove Trojan:Win32/Kovter 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 Trojan:Win32/Kovter 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 Trojan:Win32/Kovter 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: http://gridinsoft.com/products/

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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