Trojan:Win32/Kovter.H

Written by Robert Bailey

What is Trojan:Win32/Kovter.H infection?

In this short article you will certainly locate concerning the definition of Trojan:Win32/Kovter.H and its unfavorable impact on your computer. Such ransomware are a type 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 instances, Trojan:Win32/Kovter.H infection will advise its victims to launch funds transfer for the purpose of counteracting the amendments that the Trojan infection has actually presented to the sufferer’s tool.

Trojan:Win32/Kovter.H Summary

These alterations can be as follows:

  • Executable code extraction;
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Creates RWX memory;
  • Mimics the system’s user agent string for its own requests;
  • Attempts to connect to a dead IP:Port (205 unique times);
  • Reads data out of its own binary image;
  • The binary likely contains encrypted or compressed data.;
  • 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;
  • Deletes its original binary from disk;
  • 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;
  • Attempts to identify installed AV products by installation directory;
  • 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;
  • Anomalous binary characteristics;
  • Ciphering the files situated on the victim’s disk drive — so the sufferer can no longer utilize the data;
  • Preventing normal accessibility to the victim’s workstation;

Trojan:Win32/Kovter.H

One of the most common networks through which Trojan:Win32/Kovter.H Ransomware Trojans are infused are:

  • By methods of phishing emails;
  • As a consequence of individual winding up on a source that hosts a harmful software application;

As soon as the Trojan is effectively infused, it will certainly either cipher the data on the target’s computer or prevent the tool from functioning in an appropriate manner – while also putting a ransom money note that discusses the need for the targets to impact the repayment for the purpose of decrypting the documents or bring back the file system back to the preliminary condition. In many circumstances, the ransom money note will certainly show up when the customer reboots the COMPUTER after the system has currently been harmed.

Trojan:Win32/Kovter.H distribution networks.

In numerous edges of the world, Trojan:Win32/Kovter.H grows by leaps as well as bounds. Nonetheless, the ransom money notes and also tricks of extorting the ransom money amount might differ relying on certain local (local) setups. The ransom money notes and also techniques of obtaining the ransom amount may vary depending on particular local (regional) setups.

Ransomware injection

For instance:

    Faulty signals about unlicensed software application.

    In particular locations, the Trojans frequently wrongfully report having detected some unlicensed applications made it possible for on the target’s tool. The sharp after that requires the customer to pay the ransom money.

    Faulty statements concerning unlawful web content.

    In nations where software application piracy is much less preferred, this approach is not as efficient for the cyber scams. Additionally, the Trojan:Win32/Kovter.H popup alert may incorrectly declare to be deriving from a police establishment and will report having located youngster porn or other illegal information on the tool.

    Trojan:Win32/Kovter.H popup alert may wrongly claim to be obtaining from a legislation enforcement establishment as well as will certainly report having situated kid porn or various other illegal data on the tool. The alert will likewise include a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: D411D284
md5: b32c724fd4af5579efe895035a36ea41
name: B32C724FD4AF5579EFE895035A36EA41.mlw
sha1: 78db81ea71c0917103a4c91998e8513b2f1ed703
sha256: c6c0054dc531656d6210f1485905002124e5679155ba3deff618673c6363fe9c
sha512: b7956c10b890155169a766d4433b093ed6a2f7f8218dca682483293dd6ed20326350ffba0ac752488d829adf1505f1e5f029743088757591ceff009422379f98
ssdeep: 6144:ho1OB71rUVOGGtbtG8FjiQDLUPh+tgLk1H6IUUQPe8lqTd9wBDBNlsYYx+78GlEt:hcOlFs9Gt5G6jrDLUJ+ti8SU88d9w3NU
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Kovter.H also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0050b5251 )
Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
DrWeb Trojan.Kovter.297
Cynet Malicious (score: 100)
ALYac Gen:Heur.Ransom.Cerber.2
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 0050b5251 )
Cybereason malicious.fd4af5
Symantec Ransom.Kovter
ESET-NOD32 a variant of Win32/Kryptik.FRZM
Zoner Probably Heur.ExeHeaderH
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Heur.Ransom.Cerber.2
NANO-Antivirus Trojan.Win32.GenKryptik.eljpxr
MicroWorld-eScan Gen:Heur.Ransom.Cerber.2
Tencent Win32.Trojan.Generic.Pcim
Ad-Aware Gen:Heur.Ransom.Cerber.2
Sophos ML/PE-A + Mal/Kovter-Z
Comodo TrojWare.Win32.Ransom.Locky.XST@6qi3hl
BitDefenderTheta AI:Packer.A36588F91E
VIPRE Trojan.Win32.Kovter.ab (v)
TrendMicro TROJ_HPKOVTER.SMAX
McAfee-GW-Edition BehavesLike.Win32.Backdoor.fc
FireEye Generic.mg.b32c724fd4af5579
Emsisoft Gen:Heur.Ransom.Cerber.2 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.axfyl
Avira HEUR/AGEN.1101038
eGambit Unsafe.AI_Score_98%
Antiy-AVL Trojan/Generic.ASMalwS.1E601B5
Kingsoft Win32.Heur.KVML200046.a.(kcloud)
Microsoft Trojan:Win32/Kovter.H
GData Gen:Heur.Ransom.Cerber.2
AhnLab-V3 Trojan/Win32.Generic.C1851469
Acronis suspicious
McAfee Artemis!B32C724FD4AF
MAX malware (ai score=84)
VBA32 BScope.Trojan.Bagsu
Panda Trj/GdSda.A
TrendMicro-HouseCall TROJ_HPKOVTER.SMAX
Rising Trojan.Generic@ML.100 (RDML:3Bbc8tBMxTWxP9dUQ2XlFQ)
Yandex Trojan.GenAsa!Op2gqonKUo4
Ikarus Trojan.Win32.Krypt
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/GenKryptik.TAZ!tr
AVG Win32:Trojan-gen
Paloalto generic.ml
Qihoo-360 Win32/Adware.Kovter.HgIASOYA

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