Trojan:Win32/Kovter.C

Written by Robert Bailey

What is Trojan:Win32/Kovter.C infection?

In this article you will certainly discover regarding the meaning of Trojan:Win32/Kovter.C and its adverse effect on your computer system. Such ransomware are a kind of malware that is clarified by online scams to require paying the ransom money by a victim.

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Most of the situations, Trojan:Win32/Kovter.C virus will certainly instruct its sufferers to launch funds transfer for the function of neutralizing the amendments that the Trojan infection has presented to the target’s tool.

Trojan:Win32/Kovter.C Summary

These alterations 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.
  • 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.;
  • 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;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Ciphering the files situated on the sufferer’s hard disk — so the target can no more utilize the data;
  • Preventing routine accessibility to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Trojan:Win32/Kovter.C

The most typical channels whereby Trojan:Win32/Kovter.C are infused are:

  • By means of phishing emails;
  • As an effect of customer ending up on a source that holds a harmful software program;

As quickly as the Trojan is effectively injected, it will either cipher the information on the target’s PC or avoid the tool from working in a correct fashion – while likewise placing a ransom note that points out the demand for the targets to effect the payment for the function of decrypting the files or restoring the documents system back to the initial condition. In many instances, the ransom note will come up when the client restarts the PC after the system has actually currently been damaged.

Trojan:Win32/Kovter.C circulation networks.

In various corners of the world, Trojan:Win32/Kovter.C grows by leaps and also bounds. Nevertheless, the ransom money notes as well as techniques of extorting the ransom amount may vary depending upon certain regional (local) settings. The ransom notes and tricks of extorting the ransom money amount might vary depending on particular local (local) settings.

Ransomware injection

For instance:

    Faulty signals regarding unlicensed software application.

    In certain areas, the Trojans often wrongfully report having spotted some unlicensed applications made it possible for on the sufferer’s tool. The alert after that requires the user to pay the ransom money.

    Faulty statements about prohibited material.

    In nations where software program piracy is less preferred, this method is not as efficient for the cyber fraudulences. Conversely, the Trojan:Win32/Kovter.C popup alert may falsely assert to be deriving from a law enforcement institution as well as will report having situated child porn or other illegal information on the device.

    Trojan:Win32/Kovter.C popup alert may falsely assert to be obtaining from a regulation enforcement organization and will report having situated youngster porn or other illegal data on the gadget. The alert will in a similar way contain a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 9F879139
md5: 3ecd0028b541c88c66ab0a2c51e07168
name: 3ECD0028B541C88C66AB0A2C51E07168.mlw
sha1: abfbd3dcc5d3cbbae2342759d73f7a966f987c27
sha256: 7eecfbee8f729bd55fa1e2c2070ac2b380d6b1f569c9585a36c1c57fbf21ba19
sha512: 953dc40c451b138ec2de0d8721e96c66b6ac21ff89fd96a65d21e9cbe654014951730b027e40d193b3dc4df78b13252bc941c466230b66173a82b5d1a0e887c2
ssdeep: 6144:KUYsqKlnRk0djJ77d6IiWUtZmwivskyx//UO0twUxNZ9+u+LGUAQsi:3ISnRku77gO1yhd3wiHn
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Kovter.C also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 004c341a1 )
Elastic malicious (high confidence)
DrWeb Trojan.Kovter.119
Cynet Malicious (score: 100)
ALYac Gen:Heur.Mint.Zard.42
Cylance Unsafe
Zillya Trojan.Kovter.Win32.591
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 004c341a1 )
Cybereason malicious.8b541c
Symantec Ransom.Kovter
ESET-NOD32 a variant of Win32/Kovter.C
APEX Malicious
Avast Sf:ShellCode-AO [Trj]
ClamAV Win.Trojan.Kovter-6489152-1
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Heur.Mint.Zard.42
NANO-Antivirus Trojan.Win32.Drop.dxjjjk
MicroWorld-eScan Gen:Heur.Mint.Zard.42
Tencent Malware.Win32.Gencirc.10c6cfe7
Ad-Aware Gen:Heur.Mint.Zard.42
Sophos Mal/Generic-S (PUA)
Comodo TrojWare.Win32.Kovter.R@8f5pqh
BitDefenderTheta AI:Packer.843257C621
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.VirRansom.fh
FireEye Generic.mg.3ecd0028b541c88c
Emsisoft Gen:Heur.Mint.Zard.42 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Kovter.a
Avira DR/Delphi.Gen
eGambit Unsafe.AI_Score_100%
Microsoft Trojan:Win32/Kovter.C
Arcabit Trojan.Mint.Zard.42
AegisLab Trojan.Win32.Generic.4!c
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Heur.Mint.Zard.42
AhnLab-V3 Trojan/Win32.Kovter.R165419
McAfee GenericR-EQH!3ECD0028B541
MAX malware (ai score=99)
VBA32 Trojan.Kovter
Malwarebytes Generic.Trojan.Malicious.DDS
Panda Trj/Genetic.gen
Rising Trojan.Kovter!1.A7CF (RDMK:cmRtazp48UNLOS9HGQpOOxOaH0zw)
Yandex Trojan.GenAsa!RRcngr3N4lA
Ikarus Trojan.Win32.Kovter
Fortinet W32/Dropper.KVRT!tr
AVG Sf:ShellCode-AO [Trj]
Qihoo-360 Win32/Trojan.933

How to remove Trojan:Win32/Kovter.C 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:Win32/Kovter.C 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.C 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/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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