Trojan.PWS.ZGF

What is Trojan.PWS.ZGF infection?

In this article you will certainly find concerning the definition of Trojan.PWS.ZGF and its negative influence on your computer. Such ransomware are a form of malware that is specified by on-line fraudulences to require paying the ransom money by a victim.

Most of the cases, Trojan.PWS.ZGF infection will instruct its targets to start funds transfer for the objective of counteracting the amendments that the Trojan infection has actually presented to the target’s tool.

Trojan.PWS.ZGF Summary

These modifications can be as adheres to:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Compression (or decompression);
  • Injection with CreateRemoteThread in a remote process;
  • Attempts to connect to a dead IP:Port (3 unique times);
  • Mimics the system’s user agent string for its own requests;
  • 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Looks up the external IP address;
  • Uses Windows utilities for basic functionality;
  • Deletes its original binary from disk;
  • Attempts to delete volume shadow copies;
  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to stop active services;
  • Modifies boot configuration settings;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Creates a copy of itself;
  • Attempts to disable System Restore. System Restore function – allows you to revert the computer’s state (system files, applications, and system settings) to that of a previous point in time, which can be used to recover after a virus attack.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files found on the sufferer’s disk drive — so the target can no longer use the data;
  • Preventing routine access to the sufferer’s workstation;
Similar behavior
Related domains
ip-addr.es TrojanRansom.Blocker
myexternalip.com TrojanRansom.Blocker
ocsp.pki.goog TrojanRansom.Blocker
dhs92.com TrojanRansom.Blocker
greenschools.com.my TrojanRansom.Blocker
cqttxx.com TrojanRansom.Blocker

Trojan.PWS.ZGF

One of the most common networks where Trojan.PWS.ZGF Ransomware are infused are:

  • By ways of phishing e-mails;
  • As a consequence of individual winding up on a source that holds a destructive software program;

As soon as the Trojan is efficiently injected, it will either cipher the data on the victim’s PC or avoid the tool from functioning in an appropriate way – while also positioning a ransom note that mentions the demand for the sufferers to effect the payment for the purpose of decrypting the files or bring back the data system back to the first problem. In most circumstances, the ransom note will certainly turn up when the customer restarts the COMPUTER after the system has currently been damaged.

Trojan.PWS.ZGF circulation networks.

In different edges of the globe, Trojan.PWS.ZGF grows by jumps as well as bounds. Nonetheless, the ransom notes and also techniques of obtaining the ransom money quantity may differ depending on certain local (local) setups. The ransom money notes and also tricks of obtaining the ransom money amount might differ depending on particular regional (local) settings.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software program.

    In certain areas, the Trojans typically wrongfully report having actually discovered 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 regarding unlawful material.

    In countries where software application piracy is much less preferred, this technique is not as reliable for the cyber scams. Additionally, the Trojan.PWS.ZGF popup alert may falsely declare to be originating from a law enforcement organization as well as will report having situated youngster pornography or various other prohibited data on the tool.

    Trojan.PWS.ZGF popup alert may falsely assert to be acquiring from a regulation enforcement establishment and also will certainly report having situated kid porn or other prohibited information on the tool. The alert will likewise contain a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: CE380E47md5: 3f1bf86349358c7b130ae89a4cd30c44name: 3F1BF86349358C7B130AE89A4CD30C44.mlwsha1: 473ae1a4967e607709c667931c5eee555cb8d5easha256: 5c948f74c514f67d3c0acc91458a18ba6ce3097e9a31e9893d0b0d98457f2700sha512: 2f993ce6d7f5d8ff7d831acacb1d296e7202809c31a8c8c636a093defd7f5a1ebcfed793d9a0bb851eb19788ebc3793c2ebd5641cc33feb1f5366a830b6b1a66ssdeep: 3072:JLT26vsgXUztwRHZlL0HCH1tnSDbxwnIVPCuwyUzX6x:JLTXvvXUztwHZlTMvxllvYzXtype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Copyright AmpersandsWholeheartedAssembly Version: 9.4.7.2InternalName: SpaceageUnsetTires.exeFileVersion: 4.8.7.9CompanyName: TramlinesTankingTolerableComments: SubsystemsWholegrain UrbanityTrumpeterWittier StencilsThrushesProductName: AbuseSpottedSpying SkimSubsetStreamedProductVersion: 4.8.7.9FileDescription: StavesUnchaining UnderpopulationSeveranceSigning TramsTastelessnessOriginalFilename: SpaceageUnsetTires.exe

Trojan.PWS.ZGF also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.PWS.ZGF
CAT-QuickHeal TrojanRansom.Blocker
Qihoo-360 Win32/Trojan.Dropper.953
McAfee Ransom-CWall.a
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Blocker.j!c
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 700000121 )
BitDefender Trojan.PWS.ZGF
K7GW Trojan ( 700000121 )
CrowdStrike win/malicious_confidence_100% (W)
Arcabit Trojan.PWS.ZGF
Symantec ML.Attribute.HighConfidence
APEX Malicious
Paloalto generic.ml
Kaspersky Trojan-Ransom.Win32.Blocker.gzkv
Alibaba Trojan:Win32/Kryptik.ali2000016
NANO-Antivirus Trojan.Win32.Blocker.drcmtw
Rising Ransom.Crowti!8.37D (CLOUD)
Ad-Aware Trojan.PWS.ZGF
Emsisoft Trojan.PWS.ZGF (B)
Comodo Malware@#32jnec4jfi4sd
F-Secure Heuristic.HEUR/AGEN.1121948
DrWeb Trojan.DownLoader13.5133
Zillya Trojan.Blocker.Win32.29482
TrendMicro TROJ_CRYPWALL.SMVB
McAfee-GW-Edition Ransom-CWall.a
FireEye Generic.mg.3f1bf86349358c7b
Sophos ML/PE-A + Mal/MSIL-OG
Ikarus Trojan.Win32.Filecoder
Jiangmin Trojan/Blocker.nvg
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1121948
MAX malware (ai score=82)
Antiy-AVL Trojan[Ransom]/Win32.Blocker
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/Crowti.A
ZoneAlarm Trojan-Ransom.Win32.Blocker.gzkv
GData Trojan.PWS.ZGF
Cynet Malicious (score: 85)
AhnLab-V3 Trojan/Win32.Crowti.C853164
BitDefenderTheta Gen:NN.ZemsilF.34590.jm0@a8C!vMb
ALYac Trojan.PWS.ZGF
VBA32 Hoax.Blocker
Malwarebytes Trojan.Tinba
Panda Trj/CI.A
ESET-NOD32 Win32/Filecoder.CryptoWall.D
TrendMicro-HouseCall TROJ_CRYPWALL.SMVB
Tencent Win32.Trojan.Blocker.Lkxv
Yandex Trojan.Blocker!5f82eFzSqcA
SentinelOne Static AI – Malicious PE
Fortinet MSIL/Injector.JYY!tr
AVG MSIL:RansomShade-A [Trj]
Cybereason malicious.349358
Avast MSIL:RansomShade-A [Trj]

How to remove Trojan.PWS.ZGF 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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove Trojan.PWS.ZGF you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

    Leave a Comment