Trojan:Win32/Peaac!A!gfc

Written by Robert Bailey

What is Trojan:Win32/Peaac!A!gfc infection?

In this short article you will certainly discover concerning the definition of Trojan:Win32/Peaac!A!gfc and its negative influence on your computer system. Such ransomware are a form of malware that is elaborated by on-line scams to require paying the ransom by a victim.

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In the majority of the situations, Trojan:Win32/Peaac!A!gfc virus will advise its sufferers to initiate funds move for the objective of counteracting the modifications that the Trojan infection has actually introduced to the target’s gadget.

Trojan:Win32/Peaac!A!gfc Summary

These modifications can be as follows:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Attempts to connect to a dead IP:Port (3 unique times);
  • 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.
  • Starts servers listening on 0.0.0.0:7205, 0.0.0.0:7752;
  • 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.

  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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 copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the target’s hard disk — so the target can no more use the data;
  • Preventing normal accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Trojan:Win32/Peaac!A!gfc

One of the most normal channels whereby Trojan:Win32/Peaac!A!gfc Trojans are infused are:

  • By ways of phishing emails;
  • As a consequence of customer ending up on a resource that holds a destructive software program;

As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the target’s computer or prevent the gadget from working in a proper manner – while likewise putting a ransom note that mentions the demand for the victims to impact the repayment for the objective of decrypting the documents or recovering the documents system back to the first problem. In the majority of instances, the ransom money note will certainly show up when the customer restarts the PC after the system has already been harmed.

Trojan:Win32/Peaac!A!gfc distribution networks.

In numerous edges of the world, Trojan:Win32/Peaac!A!gfc expands by jumps as well as bounds. Nonetheless, the ransom money notes as well as methods of obtaining the ransom amount might vary depending upon specific neighborhood (regional) settings. The ransom money notes as well as techniques of extorting the ransom quantity may differ depending on particular regional (local) setups.

Ransomware injection

For example:

    Faulty informs about unlicensed software application.

    In particular areas, the Trojans commonly wrongfully report having actually detected some unlicensed applications allowed on the victim’s gadget. The alert then requires the individual to pay the ransom money.

    Faulty declarations regarding prohibited web content.

    In countries where software application piracy is less popular, this technique is not as reliable for the cyber scams. Additionally, the Trojan:Win32/Peaac!A!gfc popup alert might wrongly declare to be deriving from a police establishment and also will certainly report having situated child porn or other unlawful information on the gadget.

    Trojan:Win32/Peaac!A!gfc popup alert might falsely declare to be deriving from a legislation enforcement institution as well as will report having situated kid porn or other prohibited information on the gadget. The alert will likewise contain a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 3D544651
md5: eb791cc32c598a6794699e816f753960
name: EB791CC32C598A6794699E816F753960.mlw
sha1: 507f00325f3397fac920eee458d03ee55055be0a
sha256: 69123bfe040be9137a5107164aa74145e33ef74f3230d01e0e554668c0d18f0f
sha512: 21d2f4223c99d9e407883c4443c107c44686b84f765f8a84999dcce8e2dd0934c0173ff9c3f05187e2fb290255d17c89d3defe0ce7741a950befbbdca9f1e265
ssdeep: 1536:a3yr/Sedv+PJ8KiHT2/6dj6yKxi46ylsyzYgE7U8vbzrH2Odwzb6GaQYNaCen91:gyjS6v+x8fRRK39Yh7UkH7cbPaQYNxd
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2012
InternalName: Unknown
FileVersion: 0.0.0.2
CompanyName: System Unknown
ProductName: Unknown
ProductVersion: 0.0.0.2
FileDescription: Systen Unknown File
OriginalFilename: Unknown
Translation: 0x0409 0x04b0

Trojan:Win32/Peaac!A!gfc also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0056ebc31 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Gen:Heur.Cridex.1
Cylance Unsafe
Zillya Trojan.Blocker.Win32.16847
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/Blocker.b624b48f
K7GW Trojan ( 0056ebc31 )
Cybereason malicious.32c598
Cyren W32/S-fefde122!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Delf.OEH
APEX Malicious
Avast Win32:Poweliks-A [Trj]
ClamAV Win.Trojan.Zeprox-1
Kaspersky Trojan-Ransom.Win32.Blocker.egil
BitDefender Gen:Heur.Cridex.1
NANO-Antivirus Trojan.Win32.Crypted.cwmbbs
MicroWorld-eScan Gen:Heur.Cridex.1
Tencent Win32.Trojan.Blocker.Amcf
Ad-Aware Gen:Heur.Cridex.1
Sophos Mal/Generic-S
Comodo Malware@#350v7ig0wge5p
BitDefenderTheta Gen:NN.ZexaF.34688.gC0@aiHQdoni
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_KRYPTK.GTU
McAfee-GW-Edition BehavesLike.Win32.Ransomware.cc
FireEye Generic.mg.eb791cc32c598a67
Emsisoft Gen:Heur.Cridex.1 (B)
Webroot Trojan.Dropper.Gen
Avira HEUR/AGEN.1102636
Microsoft Trojan:Win32/Peaac.gen!A!gfc
AegisLab Trojan.Win32.Zbot.lZGk
GData Gen:Heur.Cridex.1
AhnLab-V3 Trojan/Win32.Caphaw.R104162
Acronis suspicious
McAfee Downloader-FAAZ!EB791CC32C59
MAX malware (ai score=100)
VBA32 Hoax.Blocker
Malwarebytes Trojan.ICS
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_KRYPTK.GTU
Rising Ransom.Blocker!8.12A (CLOUD)
Yandex Trojan.Blocker!5be/XfhR23Q
SentinelOne Static AI – Malicious PE
Fortinet W32/Kryptik.CDCX!tr
AVG Win32:Poweliks-A [Trj]
Paloalto generic.ml

How to remove Trojan:Win32/Peaac!A!gfc 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 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/Peaac!A!gfc 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan:Win32/Peaac!A!gfc 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/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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