Backdoor:Win32/Zegost.CD!bit

Written by Robert Bailey

What is Backdoor:Win32/Zegost.CD!bit infection?

In this short article you will certainly find regarding the meaning of Backdoor:Win32/Zegost.CD!bit and also its adverse effect on your computer system. Such ransomware are a kind of malware that is clarified by on-line fraudulences to require paying the ransom money by a target.

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In the majority of the cases, Backdoor:Win32/Zegost.CD!bit ransomware will instruct its targets to start funds transfer for the objective of neutralizing the changes that the Trojan infection has actually introduced to the victim’s device.

Backdoor:Win32/Zegost.CD!bit Summary

These adjustments can be as complies with:

  • Attempts to connect to a dead IP:Port (1 unique times);
  • Possible date expiration check, exits too soon after checking local time;
  • Expresses interest in specific running processes;
  • Drops a binary and executes it;
  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary likely contains encrypted or compressed data.;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • Installs itself for autorun at Windows startup;
  • Creates a copy of itself;
  • Ciphering the files found on the victim’s hard drive — so the sufferer can no longer utilize the data;
  • Preventing normal accessibility to the target’s workstation;

Related domains:

t.nxxxn.ga BehavesLike.Win32.Vundo.mc

Backdoor:Win32/Zegost.CD!bit

The most common networks whereby Backdoor:Win32/Zegost.CD!bit Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As a repercussion of user ending up on a resource that hosts a harmful software program;

As quickly as the Trojan is effectively infused, it will certainly either cipher the data on the target’s computer or stop the device from operating in a correct fashion – while also positioning a ransom note that points out the requirement for the victims to impact the payment for the objective of decrypting the documents or bring back the documents system back to the first condition. In a lot of instances, the ransom money note will show up when the client reboots the PC after the system has actually currently been harmed.

Backdoor:Win32/Zegost.CD!bit circulation channels.

In numerous corners of the world, Backdoor:Win32/Zegost.CD!bit expands by jumps and bounds. Nonetheless, the ransom money notes and methods of extorting the ransom money quantity may vary relying on particular neighborhood (local) setups. The ransom notes and tricks of obtaining the ransom money quantity might vary depending on specific neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty signals about unlicensed software.

    In certain areas, the Trojans commonly wrongfully report having actually spotted some unlicensed applications allowed on the sufferer’s device. The sharp after that demands the user to pay the ransom.

    Faulty statements regarding unlawful material.

    In nations where software program piracy is less popular, this technique is not as effective for the cyber fraudulences. Conversely, the Backdoor:Win32/Zegost.CD!bit popup alert might falsely assert to be originating from a police institution and also will certainly report having situated child porn or other unlawful information on the device.

    Backdoor:Win32/Zegost.CD!bit popup alert may falsely assert to be deriving from a legislation enforcement organization and will report having situated kid pornography or various other illegal information on the device. The alert will in a similar way consist of a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: CF71B09F
md5: 0a6d886d2d01bcaeabc94a4c9762bbfd
name: SQLIOMDSD.exe
sha1: 358e7246146d8c8970d3f4da277bab2bc8396ea7
sha256: f1c51bff76e20e9edd29773bbb777bbfda4c9a3253e67bd502f584a31e823e22
sha512: 88ab5f59749794238027f49e7c7f94f0fe301df3e07a8519e9e148005b1e155eafc53dab7908a57d5da0a4b5e07d4e353f22673e730f2fa8b7f23c767d7dc42b
ssdeep: 384:N/dxXkROvwuK76kNQexc+v2PVGsa1IJyGxsTKV9K2fId1F7vvxlLYe:N/v0wWzHc+v2Pssa1pGyTdF7Db
type: MS-DOS executable, MZ for MS-DOS

Version Info:

LegalCopyright: (C) 360.cn Inc. All Rights Reserved.
InternalName: 360DnsOpt
FileVersion: 1.0.0.1058
CompanyName: 360x4e92x8054x7f51x5b89x5168x4e2dx5fc3
ProductName: 360x5b89x5168x536bx58eb
ProductVersion: 1.0.0.1058
FileDescription: 360x5b89x5168x536bx58eb DNSx4f18x9009
OriginalFilename: 360DnsOpt.exe
Translation: 0x0804 0x04b0

Backdoor:Win32/Zegost.CD!bit also known as:

Bkav W32.FarfliS9BR.Trojan
MicroWorld-eScan GenPack:Generic.Zegost.3.E594680F
FireEye Generic.mg.0a6d886d2d01bcae
CAT-QuickHeal Trojan.GenericPMF.S7517963
McAfee Trojan-INV
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 004d57481 )
BitDefender GenPack:Generic.Zegost.3.E594680F
K7GW Trojan ( 004d57481 )
Cybereason malicious.d2d01b
TrendMicro BKDR_ZEGOST.SM40
Baidu Win32.Trojan.Agent.atj
F-Prot W32/Farfli.BA.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Dropper-ODE [Drp]
ClamAV Win.Malware.Zegost-6919579-0
GData GenPack:Generic.Zegost.3.E594680F
Kaspersky Trojan.Win32.Agent.xadaxg
Rising Backdoor.Farfli!8.B4 (RDMK:cmRtazpoM09m/abG5KasoNrpNyO8)
Endgame malicious (high confidence)
Emsisoft GenPack:Generic.Zegost.3.E594680F (B)
Comodo TrojWare.Win32.PSW.GamePass.F@35ift2
F-Secure Trojan.TR/Crypt.XPACK.Gen
DrWeb BackDoor.Spy.2436
Zillya Trojan.Agent.Win32.1126264
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Vundo.mc
Trapmine malicious.high.ml.score
CMC Virus.Win32.Sality!O
Sophos Mal/Behav-024
Ikarus Trojan.Win32.Agent
Cyren W32/Farfli.BA.gen!Eldorado
Jiangmin Trojan/Generic.bcjgw
Webroot W32.Malware.Mlpe
Avira TR/Crypt.XPACK.Gen
MAX malware (ai score=89)
Microsoft Backdoor:Win32/Zegost.CD!bit
Arcabit GenPack:Generic.Zegost.3.E594680F
ZoneAlarm Trojan.Win32.Agent.xadaxg
AhnLab-V3 Backdoor/Win32.RL_Zegost.R289802
Acronis suspicious
VBA32 BScope.Trojan.Agent
TACHYON Backdoor/W32.Farfli.22528.B
Ad-Aware GenPack:Generic.Zegost.3.E594680F
Malwarebytes Backdoor.Farfli
Panda Trj/Genetic.gen
Zoner Trojan.Win32.68809
ESET-NOD32 Win32/Agent.QJH
TrendMicro-HouseCall BKDR_ZEGOST.SM40
Tencent Malware.Win32.Gencirc.10b0c2af
Yandex Backdoor.Farfli!S9/WFy1iLOU
SentinelOne DFI – Malicious PE
Fortinet W32/Agent.QJH!tr
AVG Win32:Dropper-ODE [Drp]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 HEUR/QVM18.1.B0A3.Malware.Gen

How to remove Backdoor:Win32/Zegost.CD!bit ransomware?

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 install-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 Backdoor:Win32/Zegost.CD!bit 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 Backdoor:Win32/Zegost.CD!bit 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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