Backdoor:Win32/Zegost.Q

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Backdoor:Win32/Zegost.Q infection?

In this short article you will locate about the meaning of Backdoor:Win32/Zegost.Q as well as its unfavorable effect on your computer. Such ransomware are a kind of malware that is specified by on-line frauds to demand paying the ransom money by a target.

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In the majority of the situations, Backdoor:Win32/Zegost.Q virus will instruct its targets to initiate funds move for the purpose of neutralizing the changes that the Trojan infection has introduced to the victim’s gadget.

Backdoor:Win32/Zegost.Q Summary

These modifications can be as adheres to:

  • At least one process apparently crashed during execution;
  • Attempts to connect to a dead IP:Port (1 unique times);
  • A process attempted to delay the analysis task.;
  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary likely contains encrypted or compressed data.;
  • Uses Windows utilities for basic functionality;
  • Deletes its original binary from disk;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • Installs itself for autorun at Windows startup;
  • Checks the system manufacturer, likely for anti-virtualization;
  • Attempts to disable UAC;
  • Attempts to modify UAC prompt behavior;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents situated on the sufferer’s hard disk — so the sufferer can no more use the data;
  • Preventing regular access to the victim’s workstation;

Related domains:

aa81667376.gicp.netPolyRansom.Virus.FileInfector.DDS

Backdoor:Win32/Zegost.Q

The most common channels through which Backdoor:Win32/Zegost.Q Ransomware are infused are:

  • By methods of phishing emails;
  • As a repercussion of customer ending up on a source that hosts a malicious software application;

As soon as the Trojan is effectively injected, it will either cipher the information on the target’s PC or prevent the device from operating in an appropriate manner – while likewise putting a ransom money note that discusses the requirement for the victims to impact the repayment for the purpose of decrypting the documents or recovering the documents system back to the first condition. In most circumstances, the ransom money note will certainly show up when the client restarts the PC after the system has actually already been damaged.

Backdoor:Win32/Zegost.Q distribution networks.

In different corners of the globe, Backdoor:Win32/Zegost.Q grows by jumps and also bounds. However, the ransom notes as well as tricks of extorting the ransom amount might differ depending upon specific neighborhood (regional) settings. The ransom notes and also tricks of obtaining the ransom money amount may vary depending on particular regional (local) setups.

Ransomware injection

For example:

    Faulty alerts concerning unlicensed software program.

    In particular areas, the Trojans frequently wrongfully report having identified some unlicensed applications made it possible for on the victim’s gadget. The sharp then requires the customer to pay the ransom.

    Faulty declarations concerning illegal web content.

    In countries where software piracy is less preferred, this method is not as reliable for the cyber fraudulences. Alternatively, the Backdoor:Win32/Zegost.Q popup alert might falsely declare to be deriving from a police establishment and also will report having located child pornography or other unlawful data on the tool.

    Backdoor:Win32/Zegost.Q popup alert may wrongly assert to be deriving from a regulation enforcement organization as well as will certainly report having located youngster porn or various other prohibited data on the device. The alert will likewise have a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 973A85E3
md5: 8830d872f62e0771e4573acb99fbbba8
name: 8830D872F62E0771E4573ACB99FBBBA8.mlw
sha1: be1dbb971aeffbbe753f955d1826ee64cf4eb61a
sha256: 57e7c6204658482c676b36d8ec11c62cbe44b23c81ba74909ea887b928833e4d
sha512: adbaf2b27362fbc77f47eef67a5c2715cd1f9245a4c9ce4fbf4404a902ec4adc2a4e3183f314bc68c041c51e6c2dd247a88d20b51ec3ece4f8a4ab7d9dc56d95
ssdeep: 6144:sj9MgHQ/VECBFv7tmBgoPTSL6u3XJJigD:sR9H9CDvxKTSGuagD
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright ? 2010 Tencent. All Rights Reserved
InternalName:
FileVersion: 1, 61, 2103, 0
CompanyName: Tencent
PrivateBuild:
LegalTrademarks:
Comments:
ProductName: QQ2011
SpecialBuild:
ProductVersion: 1, 61, 2103, 0
FileDescription: QQ2011
OriginalFilename:
Translation: 0x0804 0x04b0

Backdoor:Win32/Zegost.Q also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 004d04401 )
Elasticmalicious (high confidence)
DrWebWin32.HLLW.Autoruner1.39575
CynetMalicious (score: 100)
ALYacGen:Variant.Doina.16235
CylanceUnsafe
ZillyaTrojan.Jorik.Win32.39736
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaBackdoor:Win32/Zegost.c8ced944
K7GWTrojan ( 004d04401 )
Cybereasonmalicious.2f62e0
CyrenW32/Zegost.AA.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Farfli.GO
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Trojan.Zegost-9857108-0
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.Doina.16235
NANO-AntivirusTrojan.Win32.Jorik.cqjdow
MicroWorld-eScanGen:Variant.Doina.16235
TencentWin32.Trojan.Jorik.bzoy
Ad-AwareGen:Variant.Doina.16235
SophosMal/Generic-S
ComodoBackdoor.Win32.Delf.~DP@1mio9l
BitDefenderThetaGen:NN.ZexaF.34796.nq0@aO7AE9jb
VIPRETrojan.Win32.Generic.pak!cobra
TrendMicroDDoS.Win32.NITOL.SMG
McAfee-GW-EditionGenericRXEE-VQ!8830D872F62E
FireEyeGeneric.mg.8830d872f62e0771
EmsisoftGen:Variant.Doina.16235 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan/Generic.aflif
WebrootW32.Trojan.Gen
AviraTR/Crypt.XPACK.Gen
eGambitUnsafe.AI_Score_96%
Antiy-AVLTrojan/Generic.ASMalwS.455AF9
MicrosoftBackdoor:Win32/Zegost.Q
ArcabitTrojan.Doina.D3F6B
GDataGen:Variant.Doina.16235
AhnLab-V3Trojan/Win32.Jorik.C71367
McAfeeGenericRXEE-VQ!8830D872F62E
MAXmalware (ai score=82)
VBA32BScope.Malware-Cryptor.Hlux
MalwarebytesPolyRansom.Virus.FileInfector.DDS
PandaGeneric Malware
TrendMicro-HouseCallDDoS.Win32.NITOL.SMG
RisingBackdoor.Zegost!1.6473 (CLASSIC)
YandexTrojan.Farfli!Wq0tPvM0Eb8
IkarusBackdoor.Farfli
FortinetW32/Farfli.GZ!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Backdoor.Zegost.HwcBEpsA

How to remove Backdoor:Win32/Zegost.Q 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 Backdoor:Win32/Zegost.Q 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.Q 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/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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