Trojan.FormBook

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

What is Trojan.FormBook infection?

In this article you will certainly discover about the meaning of Trojan.FormBook and its negative impact on your computer. Such ransomware are a type of malware that is elaborated by on-line fraudulences to demand paying the ransom money by a sufferer.

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Most of the instances, Trojan.FormBook infection will certainly advise its victims to initiate funds move for the purpose of reducing the effects of the amendments that the Trojan infection has introduced to the sufferer’s device.

Trojan.FormBook Summary

These alterations can be as complies with:

  • 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.
  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Ciphering the papers located on the victim’s hard drive — so the sufferer can no more make use of the data;
  • Preventing routine access to the target’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.FormBook

One of the most regular channels where Trojan.FormBook Trojans are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a repercussion of individual winding up on a source that organizes a destructive software application;

As soon as the Trojan is efficiently infused, it will certainly either cipher the information on the victim’s PC or prevent the gadget from functioning in an appropriate manner – while likewise placing a ransom note that discusses the requirement for the victims to effect the settlement for the function of decrypting the documents or restoring the documents system back to the initial problem. In a lot of circumstances, the ransom note will come up when the customer reboots the COMPUTER after the system has already been damaged.

Trojan.FormBook distribution channels.

In various corners of the world, Trojan.FormBook grows by jumps and also bounds. Nonetheless, the ransom notes as well as tricks of obtaining the ransom money quantity may vary depending on specific local (regional) settings. The ransom notes and also methods of extorting the ransom money amount may vary depending on specific local (regional) settings.

Ransomware injection

As an example:

    Faulty signals about unlicensed software.

    In specific locations, the Trojans usually wrongfully report having actually discovered some unlicensed applications allowed on the target’s tool. The alert after that demands the customer to pay the ransom money.

    Faulty statements concerning prohibited web content.

    In countries where software application piracy is less popular, this approach is not as reliable for the cyber fraudulences. Alternatively, the Trojan.FormBook popup alert might incorrectly claim to be stemming from a police institution and also will certainly report having situated child porn or various other unlawful information on the gadget.

    Trojan.FormBook popup alert may wrongly declare to be obtaining from a legislation enforcement establishment and will report having situated youngster porn or other prohibited data on the device. The alert will similarly contain a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: A2EB9FDE
md5: d5918d781930d8fed6ee8d5410115b2c
name: bin.exe
sha1: 722e46b108d37690c09667029a1598fb8c29fd87
sha256: adda32fd5183afa60059c10a1d43ed685b6d486f1420147d34bb56c8192fd492
sha512: e11b9499f8775a2d4c4e8b03304d9522440bada4c730829bdb265b5905f376ac1cf0569e8f714e194d10f24e8d3cecc045a51f3fc99ab4a85f88b2195c1aa27a
ssdeep: 3072:pmSdCK3PXMpnImJKqZkLlCMLjZGqfwCYhTeInASR5qiYUgpD20:jCQ6QMa8gj0qfwrhTeInAS+pUg
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.FormBook also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware2
MicroWorld-eScan Trojan.GenericKDZ.66547
FireEye Generic.mg.d5918d781930d8fe
Qihoo-360 Generic/HEUR/QVM20.1.EA0C.Malware.Gen
McAfee GenericRXCD-ZZ!D5918D781930
Cylance Unsafe
K7AntiVirus Trojan ( 00536d121 )
BitDefender Trojan.GenericKDZ.66547
K7GW Trojan ( 00536d121 )
Cybereason malicious.81930d
Invincea heuristic
F-Prot W32/Formbook.A.gen!Eldorado
Symantec Trojan.Formbook
APEX Malicious
Avast Win32:Evo-gen [Susp]
ClamAV Win.Malware.Formbook-7399661-0
GData Trojan.GenericKDZ.66547
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba TrojanSpy:Win32/Swotter.1ef2e9b7
NANO-Antivirus Virus.Win32.Gen.ccmw
AegisLab Trojan.Win32.Generic.4!c
Rising Stealer.Formbook!1.C470 (CLOUD)
Ad-Aware Trojan.GenericKDZ.66547
Sophos Troj/Formbook-A
Comodo TrojWare.Win32.Swotter.A@7i7pqi
F-Secure Trojan.TR/Crypt.ZPACK.Gen
DrWeb Trojan.PWS.Banker1.29984
TrendMicro Trojan.Win32.FormBook.SM
McAfee-GW-Edition BehavesLike.Win32.VirRansom.cc
Trapmine malicious.high.ml.score
Emsisoft Trojan.GenericKDZ.66547 (B)
Ikarus Trojan.Win32.Formbook
Cyren W32/Formbook.A.gen!Eldorado
Webroot W32.Trojan.Gen
Avira TR/Crypt.ZPACK.Gen
Microsoft TrojanSpy:Win32/Swotter.A!bit
Arcabit Trojan.Generic.D103F3
SUPERAntiSpyware Trojan.Agent/Gen-Malagent
ZoneAlarm HEUR:Trojan.Win32.Generic
AhnLab-V3 Trojan/Win32.Formbook.C2420198
Acronis suspicious
BitDefenderTheta AI:Packer.63EF37F31D
ALYac Trojan.GenericKDZ.66547
MAX malware (ai score=87)
VBA32 BScope.TrojanPSW.Banker
Malwarebytes Trojan.FormBook
ESET-NOD32 a variant of Win32/Formbook.AA
TrendMicro-HouseCall Trojan.Win32.FormBook.SM
Tencent Win32.Trojan.Crypt.Wrpx
SentinelOne DFI – Malicious PE
Fortinet W32/GenKryptik.AYEB!tr
AVG FileRepMalware
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
MaxSecure Trojan.Malware.300983.susgen

How to remove Trojan.FormBook 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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.FormBook 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.FormBook 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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