Trojan.Zenpak

Written by Robert Bailey

What is Trojan.Zenpak infection?

In this post you will certainly find regarding the meaning of Trojan.Zenpak and also its negative impact on your computer system. Such ransomware are a kind of malware that is specified by on the internet scams to require paying the ransom by a target.

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Most of the situations, Trojan.Zenpak infection will advise its targets to launch funds transfer for the function of counteracting the changes that the Trojan infection has presented to the sufferer’s tool.

Trojan.Zenpak Summary

These modifications can be as adheres to:

  • Executable code extraction;
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Presents an Authenticode digital signature;
  • Creates RWX memory;
  • Mimics the system’s user agent string for its own requests;
  • Possible date expiration check, exits too soon after checking local time;
  • A process attempted to delay the analysis task.;
  • A named pipe was used for inter-process communication;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • A process created a hidden window;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data.;
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • A system process is generating network traffic likely as a result of process injection;
  • Installs itself for autorun at Windows startup;
  • Checks the version of Bios, possibly for anti-virtualization;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Collects information to fingerprint the system;
  • Anomalous binary characteristics;
  • Ciphering the documents situated on the victim’s disk drive — so the sufferer can no longer make use of the information;
  • Preventing normal access to the sufferer’s workstation;

Related domains:

www.ip-adress.com BScope.TrojanRansom.Shade

Trojan.Zenpak

One of the most regular networks through which Trojan.Zenpak are infused are:

  • By means of phishing e-mails;
  • As a consequence of customer winding up on a source that holds a malicious software application;

As quickly as the Trojan is efficiently infused, it will either cipher the data on the sufferer’s PC or protect against the device from functioning in a correct fashion – while also positioning a ransom note that discusses the requirement for the victims to effect the settlement for the objective of decrypting the documents or bring back the documents system back to the first problem. In a lot of instances, the ransom note will certainly show up when the customer reboots the COMPUTER after the system has actually currently been harmed.

Trojan.Zenpak circulation channels.

In numerous corners of the world, Trojan.Zenpak expands by leaps as well as bounds. Nonetheless, the ransom notes and tricks of extorting the ransom quantity might differ depending upon specific local (regional) settings. The ransom money notes as well as tricks of extorting the ransom money quantity may differ depending on particular local (local) setups.

Ransomware injection

As an example:

    Faulty alerts concerning unlicensed software application.

    In particular areas, the Trojans often wrongfully report having found some unlicensed applications allowed on the target’s tool. The sharp then demands the customer to pay the ransom.

    Faulty declarations about unlawful content.

    In countries where software application piracy is less preferred, this approach is not as reliable for the cyber scams. Conversely, the Trojan.Zenpak popup alert may wrongly declare to be deriving from a law enforcement institution and will certainly report having located child pornography or various other prohibited data on the tool.

    Trojan.Zenpak popup alert might incorrectly claim to be deriving from a legislation enforcement establishment and also will certainly report having situated child porn or other prohibited information on the tool. The alert will likewise contain a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: 25ED77E5
md5: 092e365f3f2df080da2ca314b0b3003d
name: upload_file
sha1: 9847356d5c2384e0821908dabaab21794a3b75fb
sha256: 85c5b612beba1237918ab1f4de82db0821fab5074f941b50ba7b6667639e30f5
sha512: 6985f4403ab5961dfe6d2a445b2ae89d64bc05b5226db371fa71b19dce956c2de58901604c484134841d14a8fa76eac513ddd376a6787f9a628d1ba97dcddb82
ssdeep: 12288:ivx/AE63QEFGt4zGoCJH4xZmTBxVWbv+OE5Uh:ivx/AE63QUzB8AmjW3h
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 2009-2014 Safer-Networking Ltd. All rights reserved.
FileVersion: 2.4.40.217
CompanyName: Safer-Networking Ltd.
LegalTrademarks: Spybotxae and Spybot - Search & Destroyxae are registered trademarks.
ProductName: Spybot - Search & Destroy
ProductVersion: 2.4.40.0
FileDescription: Spybot-S&D 2 Scanner Service
OriginalFilename: SDFSSvc.exe
Build: 20140425
Translation: 0x1809 0x04e4

Trojan.Zenpak also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Razy.717201
FireEye Generic.mg.092e365f3f2df080
CAT-QuickHeal Trojan.Zenpak
ALYac Gen:Variant.Razy.717201
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 0056abdb1 )
BitDefender Gen:Variant.Razy.717201
K7GW Trojan ( 0056abdb1 )
Cybereason malicious.f3f2df
TrendMicro TrojanSpy.Win32.QAKBOT.SMTHA.hp
Cyren W32/Qbot.M.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Paloalto generic.ml
Kaspersky Trojan.Win32.Zenpak.aqpp
Alibaba Backdoor:Win32/Qakbot.e85e0601
NANO-Antivirus Trojan.Win32.Zenpak.hqedon
Ad-Aware Gen:Variant.Razy.717201
Sophos Mal/EncPk-APV
F-Secure Trojan.TR/Crypt.Agent.evaed
DrWeb Trojan.Inject3.45515
Zillya Trojan.Zenpak.Win32.2552
Invincea heuristic
MaxSecure Trojan.Trojan.WIN32.Zenpak.pef_194837
Emsisoft Gen:Variant.Razy.717201 (B)
Ikarus Backdoor.QBot
F-Prot W32/Qbot.M.gen!Eldorado
Jiangmin Trojan.Zenpak.cof
Avira TR/Crypt.Agent.evaed
MAX malware (ai score=88)
Antiy-AVL Trojan/Win32.Zenpak
Arcabit Trojan.Razy.DAF191
ZoneAlarm Trojan.Win32.Zenpak.aqpp
GData Gen:Variant.Razy.717201
Cynet Malicious (score: 100)
AhnLab-V3 Malware/Win32.RL_Trojanspy.R346800
Acronis suspicious
VBA32 BScope.TrojanRansom.Shade
Malwarebytes Backdoor.Qbot
ESET-NOD32 a variant of Win32/Kryptik.HEWE
TrendMicro-HouseCall TrojanSpy.Win32.QAKBOT.SMTHA.hp
Tencent Malware.Win32.Gencirc.10cde563
SentinelOne DFI – Malicious PE
eGambit PE.Heur.InvalidSig
Fortinet W32/Zenpak.AKMT!tr
BitDefenderTheta Gen:NN.ZexaF.34152.Fu1@auZ58Lji
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_90% (W)
Qihoo-360 Win32/Trojan.d13

How to remove Trojan.Zenpak 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.

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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.Zenpak 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 Trojan.Zenpak 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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