Trojan.Formbook (A)

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

What is Trojan.Formbook (A) infection?

In this post you will locate concerning the interpretation of Trojan.Formbook (A) as well as its negative influence on your computer. Such ransomware are a kind of malware that is elaborated by online fraudulences to require paying the ransom by a target.

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In the majority of the cases, Trojan.Formbook (A) infection will certainly instruct its targets to initiate funds transfer for the function of counteracting the changes that the Trojan infection has actually presented to the target’s device.

Trojan.Formbook (A) Summary

These adjustments 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.
  • Deletes its original binary from disk;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the victim’s hard disk drive — so the sufferer can no longer utilize the information;
  • Preventing regular 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 (A)

One of the most typical channels through which Trojan.Formbook (A) Ransomware Trojans are injected are:

  • By ways of phishing emails;
  • As a repercussion of individual ending up on a source that hosts a destructive software application;

As soon as the Trojan is successfully infused, it will either cipher the information on the target’s PC or avoid the device from functioning in a correct manner – while additionally positioning a ransom note that states the need for the targets to impact the repayment for the objective of decrypting the files or recovering the documents system back to the initial problem. In a lot of circumstances, the ransom note will certainly come up when the customer reboots the COMPUTER after the system has actually currently been damaged.

Trojan.Formbook (A) distribution networks.

In different edges of the world, Trojan.Formbook (A) expands by leaps as well as bounds. Nevertheless, the ransom notes and also tricks of obtaining the ransom quantity may vary relying on specific neighborhood (local) settings. The ransom money notes as well as tricks of extorting the ransom quantity might vary depending on specific neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty notifies about unlicensed software.

    In particular areas, the Trojans typically wrongfully report having spotted some unlicensed applications allowed on the sufferer’s tool. The sharp then requires the customer to pay the ransom money.

    Faulty declarations concerning illegal web content.

    In countries where software program piracy is much less preferred, this method is not as efficient for the cyber frauds. Additionally, the Trojan.Formbook (A) popup alert might falsely claim to be deriving from a police establishment and will report having located kid porn or various other illegal information on the tool.

    Trojan.Formbook (A) popup alert may falsely declare to be deriving from a regulation enforcement institution and will report having situated youngster pornography or various other illegal information on the device. The alert will likewise have a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 7C7D6536
md5: cc58d3e9c3a672f4de3917c6c5c261d4
name: elje1802_fbin_2cr1.exe
sha1: fefbdaed0d807fb69e6453471138a19a11004829
sha256: 90fb8b41bf4af7c2cf4cdc290a1452cf3e93f283d1292dfe4f50b2397b3e2cd2
sha512: aff99cfc526ad1ba55682a0ee276116711517045a3f4748dbbc20c80e8faadacd7f45e19075e7c9352b711a3d3b9239a7343dcbc0a3ab7a3fcf5649bacfb7b58
ssdeep: 6144:3ckYPcPud2J2kLhiti+aqxOL8CUcILVT/XJBFhFduf7C3FSuzEw6g23JvuL:MkYEN2kLhb0UqV7HHFdk3EqJ2L
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: PortableApps.com xa9 2016 All rights reserved.
InternalName: Ccie
CompanyName: PortableApps.com
Comments: Investigating Augmenting Systemsxae Plarised Isolating Anymore
ProductName: Ccie
Languages: English
ProductVersion: 4.7.7.1
FileDescription: Investigating Augmenting Systemsxae Plarised Isolating Anymore
Translation: 0x0409 0x04b0

Trojan.Formbook (A) also known as:

GridinSoftTrojan.Ransom.Gen
MicroWorld-eScanTrojan.GenericKD.33297777
Qihoo-360Generic/Trojan.Generic.c14
McAfeeRDN/Generic.tfr
VIPRETrojan.Win32.Generic!BT
SangforMalware
CrowdStrikewin/malicious_confidence_100% (W)
BitDefenderTrojan.GenericKD.33297777
K7GWTrojan ( 0052eef11 )
K7AntiVirusTrojan ( 0052eef11 )
SymantecTrojan.Gen.MBT
ESET-NOD32Win32/Formbook.AA
APEXMalicious
Paloaltogeneric.ml
KasperskyUDS:DangerousObject.Multi.Generic
ViRobotTrojan.Win32.S.Agent.543744.CD
AvastWin32:Malware-gen
RisingTrojan.Formbook!8.F858 (CLOUD)
Ad-AwareTrojan.GenericKD.33297777
EmsisoftTrojan.Formbook (A)
ComodoMalware@#2v4nswusnx0t6
DrWebTrojan.PWS.Siggen2.41367
McAfee-GW-EditionBehavesLike.Win32.Dropper.hc
FireEyeGeneric.mg.cc58d3e9c3a672f4
SophosTroj/Keylog-ACK
IkarusTrojan-Ransom.GandCrab
CyrenW32/Trojan.VDWI-2190
MAXmalware (ai score=84)
Endgamemalicious (high confidence)
ArcabitTrojan.Generic.D1FC1571
ZoneAlarmUDS:DangerousObject.Multi.Generic
MicrosoftTrojan:Win32/Occamy.C
AhnLab-V3Malware/Win32.Generic.C3994185
ALYacTrojan.Agent.FormBook
TencentWin32.Trojan.Generic.Szvc
SentinelOneDFI – Malicious PE
eGambitUnsafe.AI_Score_99%
GDataTrojan.GenericKD.33297777
BitDefenderThetaGen:NN.ZexaF.34090.HG0@amAzeyki
AVGWin32:Malware-gen
Cybereasonmalicious.d0d807

How to remove Trojan.Formbook (A) virus?

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.

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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.Formbook (A) 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 (A) 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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