Win32:Formbook-B [Trj]

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

What is Win32:Formbook-B [Trj] infection?

In this article you will find about the meaning of Win32:Formbook-B [Trj] and its negative effect on your computer system. Such ransomware are a kind of malware that is specified by online scams to require paying the ransom by a target.

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Most of the situations, Win32:Formbook-B [Trj] ransomware will certainly instruct its victims to launch funds transfer for the function of reducing the effects of the amendments that the Trojan infection has introduced to the sufferer’s gadget.

Win32:Formbook-B [Trj] Summary

These modifications can be as adheres to:

  • 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 records located on the sufferer’s hard disk — so the victim can no longer use the information;
  • Preventing regular access 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.

Win32:Formbook-B [Trj]

One of the most normal channels where Win32:Formbook-B [Trj] Trojans are infused are:

  • By ways of phishing emails;
  • As a repercussion of user winding up on a source that organizes a malicious software program;

As quickly as the Trojan is efficiently injected, it will either cipher the data on the victim’s PC or avoid the device from functioning in a proper manner – while also placing a ransom money note that points out the requirement for the sufferers to effect the settlement for the objective of decrypting the records or bring back the file system back to the preliminary condition. In many circumstances, the ransom note will come up when the customer restarts the PC after the system has actually already been damaged.

Win32:Formbook-B [Trj] circulation networks.

In different edges of the globe, Win32:Formbook-B [Trj] grows by leaps and bounds. Nevertheless, the ransom money notes and also techniques of obtaining the ransom money quantity might vary depending on certain local (regional) setups. The ransom notes as well as tricks of obtaining the ransom money amount might differ depending on certain neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software application.

    In specific locations, the Trojans usually wrongfully report having actually discovered some unlicensed applications enabled on the sufferer’s gadget. The alert after that requires the individual to pay the ransom money.

    Faulty declarations regarding illegal web content.

    In nations where software program piracy is much less prominent, this technique is not as efficient for the cyber scams. Alternatively, the Win32:Formbook-B [Trj] popup alert may wrongly assert to be originating from a police organization and also will report having located youngster porn or various other unlawful data on the device.

    Win32:Formbook-B [Trj] popup alert may falsely claim to be obtaining from a law enforcement organization and will certainly report having situated child porn or other illegal information on the tool. The alert will likewise consist of a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: C059E677
md5: 93918c623317234901e5846540f3a43d
name: upload_file
sha1: a5b49aea492de5430b09fa6c1e07a43a28c92b9d
sha256: 8b23c3ddd235c8708c47bf3eec883a6f8ec12656680648400cb4733d9a14e762
sha512: c85af20af3aaabc9dd0e7da5b6dabb923d02c29360b8edd9ce31199311b9723f59a5ba13cf344f5891f4a691f6759954de11c12c5005cc80a9eb87567c274153
ssdeep: 3072:TDhzK7wjZWfpsOjxl47KVrK6IUxg2ELN/pP8tGzb4JHg:fhEwYNxy7erK6IUhCt2kzb4JH
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32:Formbook-B [Trj] also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Razy.679962
FireEye Generic.mg.93918c6233172349
CAT-QuickHeal Trojan.Generic
McAfee GenericRXCD-ZZ!93918C623317
Cylance Unsafe
K7AntiVirus Trojan ( 00536d121 )
BitDefender Gen:Variant.Razy.679962
K7GW Trojan ( 00536d121 )
Cybereason malicious.233172
Cyren W32/Formbook.A.gen!Eldorado
Symantec Trojan.Formbook
APEX Malicious
Paloalto generic.ml
ClamAV Win.Malware.Formbook-7399661-0
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Trojan:Win32/Formbook.e729d5c7
NANO-Antivirus Virus.Win32.Gen.ccmw
ViRobot Trojan.Win32.Z.Formbook.185856.J
Rising Stealer.Formbook!1.C470 (CLASSIC)
Ad-Aware Gen:Variant.Razy.679962
Comodo Malware@#s3p7q31tb9h0
DrWeb Trojan.Siggen9.48175
VIPRE Trojan.Win32.Generic!BT
Invincea ML/PE-A + Troj/Formbook-A
McAfee-GW-Edition BehavesLike.Win32.VirRansom.cc
Sophos Troj/Formbook-A
Ikarus Trojan-Spy.FormBook
Jiangmin Trojan.Generic.ggwkl
Webroot W32.Trojan.Gen
Avira TR/Crypt.ZPACK.Gen
MAX malware (ai score=85)
Microsoft Trojan:Win32/Formbook!MTB
Arcabit Trojan.Razy.DA601A
AegisLab Trojan.Win32.Generic.4!c
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Win32.Trojan-Stealer.FormBook.MNXW7C
AhnLab-V3 Trojan/Win32.Formbook.C4199059
Acronis suspicious
BitDefenderTheta AI:Packer.3876EB1A1E
ALYac Gen:Variant.Razy.679962
VBA32 BScope.TrojanPSW.Banker
Panda Trj/CI.A
ESET-NOD32 a variant of Win32/Formbook.AA
Tencent Win32.Trojan.Crypt.Htbt
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_84%
Fortinet W32/GenKryptik.AYEB!tr
AVG Win32:Formbook-B [Trj]
Avast Win32:Formbook-B [Trj]
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Generic/Trojan.93b

How to remove Win32:Formbook-B [Trj] ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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 Win32:Formbook-B [Trj] 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 Win32:Formbook-B [Trj] 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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