Trojan:Win32/Kovter.B

Written by Robert Bailey

What is Trojan:Win32/Kovter.B infection?

In this article you will locate regarding the interpretation of Trojan:Win32/Kovter.B as well as its unfavorable impact on your computer system. Such ransomware are a kind of malware that is clarified by online fraudulences to require paying the ransom money by a victim.

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Most of the situations, Trojan:Win32/Kovter.B ransomware will certainly instruct its sufferers to initiate funds move for the function of reducing the effects of the changes that the Trojan infection has presented to the target’s gadget.

Trojan:Win32/Kovter.B Summary

These alterations can be as follows:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Injection with CreateRemoteThread in a remote process;
  • Creates RWX memory;
  • Mimics the system’s user agent string for its own requests;
  • A process attempted to delay the analysis task.;
  • 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;
  • Deletes its original binary from disk;
  • Sniffs keystrokes;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • Behavior consistent with a dropper attempting to download the next stage.;
  • Network activity contains more than one unique useragent.;
  • Installs itself for autorun at Windows startup;
  • Attempts to modify browser security settings;
  • Creates a copy of itself;
  • Collects information to fingerprint the system;
  • Anomalous binary characteristics;
  • Ciphering the files situated on the target’s hard disk — so the victim can no longer use the information;
  • Preventing normal access to the victim’s workstation;

Related domains:

gizcloudz.biz W32.Trojan.Ransom
seccloudz.biz W32.Trojan.Ransom

Trojan:Win32/Kovter.B

The most typical networks through which Trojan:Win32/Kovter.B Ransomware Trojans are injected are:

  • By methods of phishing emails;
  • As an effect of customer winding up on a source that holds a harmful software;

As soon as the Trojan is efficiently infused, it will either cipher the information on the sufferer’s computer or prevent the tool from working in an appropriate way – while likewise placing a ransom note that states the requirement for the targets to impact the settlement for the function of decrypting the documents or restoring the data system back to the initial condition. In a lot of circumstances, the ransom note will turn up when the client reboots the PC after the system has actually already been harmed.

Trojan:Win32/Kovter.B distribution channels.

In different edges of the world, Trojan:Win32/Kovter.B expands by jumps and also bounds. Nonetheless, the ransom money notes and techniques of obtaining the ransom money amount may differ depending upon particular local (regional) setups. The ransom notes and methods of extorting the ransom money amount may differ depending on specific neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty signals concerning unlicensed software program.

    In certain areas, the Trojans typically wrongfully report having actually detected some unlicensed applications made it possible for on the sufferer’s gadget. The alert after that demands the user to pay the ransom money.

    Faulty declarations regarding prohibited web content.

    In nations where software application piracy is less prominent, this method is not as reliable for the cyber frauds. Alternatively, the Trojan:Win32/Kovter.B popup alert might falsely claim to be deriving from a police establishment and also will report having situated kid porn or various other illegal information on the tool.

    Trojan:Win32/Kovter.B popup alert may wrongly claim to be deriving from a legislation enforcement establishment and will report having situated kid pornography or other prohibited information on the gadget. The alert will similarly consist of a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: F69CBA09
md5: 9dacc145b4427a07ecbf3f7f3b6abd43
name: 9DACC145B4427A07ECBF3F7F3B6ABD43.mlw
sha1: f16755a331f85bd0a0f7b15e24a0c56bfda6a987
sha256: cd3c710315241adeb1e4507ec7c20612b440c78e7b771d54fe30970aa2d2db10
sha512: 1125dc1ad3ef090c18ed1527876dde1d740788e29b337e28edd6de9b67b48244f00f26a704d553030d645bb6a03dab17e8f0d6a2ba8b667df99b266c241aa80a
ssdeep: 1536:TISAZ3lq9sIakEOA4vBnpcAlw3jWs3PZQU9vQB8UVQ4myCgW7Pf:T6G9sIzs1CSPfZF4i0Q/7Pf
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Kovter.B also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Riskware ( 0040eff71 )
Lionic Trojan.Win32.Generic.lwMM
Elastic malicious (high confidence)
DrWeb Trojan.Click2.62209
ALYac Gen:Variant.Fugrafa.28027
Zillya Trojan.Vilsel.Win32.31453
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Trojan:Win32/LockScreen.874a13b7
K7GW Riskware ( 0040eff71 )
Cybereason malicious.5b4427
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/LockScreen.ARJ
APEX Malicious
Avast Win32:Crypt-PTD [Trj]
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Fugrafa.28027
NANO-Antivirus Trojan.Win32.Clicker.cuwwlf
MicroWorld-eScan Gen:Variant.Fugrafa.28027
Tencent Win32.Trojan.Lockscreen.Hxgm
Ad-Aware Gen:Variant.Fugrafa.28027
Sophos Mal/Generic-S
Comodo Malware@#12s6qj8zfurwr
BitDefenderTheta AI:Packer.A0B91B1921
VIPRE Virtool.Win32.Obfuscator.as!b (v)
TrendMicro TROJ_SPNR.1BHB13
McAfee-GW-Edition BehavesLike.Win32.Eggnog.lc
FireEye Generic.mg.9dacc145b4427a07
Emsisoft Gen:Variant.Fugrafa.28027 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.bwlen
Webroot W32.Trojan.Ransom
Avira HEUR/AGEN.1116089
Antiy-AVL Trojan/Generic.ASMalwS.2FEC4D
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Kovter.B
GData Gen:Variant.Fugrafa.28027
AhnLab-V3 Trojan/Win32.ADH.C1199961
McAfee Ransom-FAU!9DACC145B442
MAX malware (ai score=99)
VBA32 BScope.Backdoor.Zegost
Panda Trj/CI.A
TrendMicro-HouseCall TROJ_SPNR.1BHB13
Rising Trojan.Generic@ML.91 (RDML:u1jZ5AVd6+QHNHBXDcSv/g)
Yandex Trojan.DR.Injector!s+UUZhnLdEA
Ikarus Trojan.Win32.LockScreen
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Generic.ARJ!tr
AVG Win32:Crypt-PTD [Trj]
Paloalto generic.ml

How to remove Trojan:Win32/Kovter.B ransomware?

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.B 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan:Win32/Kovter.B 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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