Trojan.Ransom.BOW

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

What is Trojan.Ransom.BOW infection?

In this article you will certainly locate concerning the definition of Trojan.Ransom.BOW and its adverse impact on your computer. Such ransomware are a kind of malware that is specified by on-line scams to demand paying the ransom by a target.

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Most of the situations, Trojan.Ransom.BOW ransomware will certainly advise its victims to start funds move for the purpose of reducing the effects of the amendments that the Trojan infection has introduced to the sufferer’s gadget.

Trojan.Ransom.BOW 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • 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.

  • Unconventionial language used in binary resources: Chinese (Simplified);
  • Executed a process and injected code into it, probably while unpacking;
  • 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 found on the target’s disk drive — so the victim can no longer utilize the information;
  • Preventing regular accessibility to the target’s workstation;

Trojan.Ransom.BOW

One of the most common channels whereby Trojan.Ransom.BOW are infused are:

  • By means of phishing emails;
  • As an effect of user winding up on a resource that holds a destructive software program;

As soon as the Trojan is efficiently infused, it will either cipher the information on the victim’s PC or avoid the gadget from working in a proper way – while also putting a ransom money note that mentions the need for the victims to impact the settlement for the objective of decrypting the files or restoring the file system back to the preliminary condition. In the majority of circumstances, the ransom note will certainly show up when the client restarts the COMPUTER after the system has actually already been damaged.

Trojan.Ransom.BOW distribution channels.

In different edges of the world, Trojan.Ransom.BOW expands by jumps and also bounds. However, the ransom money notes and techniques of extorting the ransom amount might vary depending on particular regional (local) settings. The ransom notes and tricks of obtaining the ransom quantity might vary depending on particular regional (local) setups.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software.

    In particular areas, the Trojans frequently wrongfully report having actually discovered some unlicensed applications enabled on the victim’s device. The sharp after that demands the customer to pay the ransom money.

    Faulty declarations about unlawful material.

    In countries where software piracy is less prominent, this approach is not as effective for the cyber fraudulences. Conversely, the Trojan.Ransom.BOW popup alert may incorrectly assert to be stemming from a law enforcement institution and also will certainly report having situated youngster porn or various other illegal data on the tool.

    Trojan.Ransom.BOW popup alert may wrongly assert to be obtaining from a law enforcement institution as well as will certainly report having located child porn or other unlawful information on the gadget. The alert will in a similar way include a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: EF6C131F
md5: ff19b6df5d38d754a7cbfb6acbb5157b
name: FF19B6DF5D38D754A7CBFB6ACBB5157B.mlw
sha1: 4340bdc082b7f8d6b7de06cee09e47409ccfb3d8
sha256: 4ebc124c7e19c2a87f911e9972f365f6fd0ef1532981a828b085e0a6bac2e310
sha512: 37c84779e5673691237983a7372119f55e8522fc1e8b63e810e16d5322e5bcda48c05fa8801455ee38cf15a1ad581fae66958f422fbe32d818e21b3d4d20bd69
ssdeep: 6144:A7kcPazl6C4wwx+jhNwQmmVE0G/BB4JgEtRWPqOOq7L/I2g:A7k8azl6+hNw50MX42Ety/Oq7LI
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Ransom.BOW also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Ransom.BOW
FireEye Generic.mg.ff19b6df5d38d754
McAfee GenericRXBI-UV!FF19B6DF5D38
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Yakes.tazo
K7AntiVirus Trojan ( 0050bc621 )
BitDefender Trojan.Ransom.BOW
K7GW Trojan ( 0050bc621 )
Cybereason malicious.f5d38d
BitDefenderTheta Gen:NN.ZexaF.34590.sq3@aO29z7ij
Symantec Ransom.TeslaCrypt
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Trojan.Yakes-7008632-0
Kaspersky Trojan.Win32.Yakes.tazo
Alibaba Trojan:Win32/Yakes.d4fde690
NANO-Antivirus Trojan.Win32.Androm.enuhvh
ViRobot Trojan.Win32.Z.Locky.309602
Tencent Malware.Win32.Gencirc.10bbaebb
Ad-Aware Trojan.Ransom.BOW
TACHYON Ransom/W32.Locky.309602
Emsisoft Trojan.Ransom.BOW (B)
Comodo Malware@#31r2br5d50h31
F-Secure Heuristic.HEUR/AGEN.1103117
DrWeb Trojan.Encoder.3976
Zillya Trojan.GenericKD.Win32.37688
TrendMicro Ransom_LOCKY.AUSVZ
McAfee-GW-Edition GenericRXBI-UV!FF19B6DF5D38
Sophos Mal/Generic-S
Jiangmin Trojan.Locky.dip
eGambit Unsafe.AI_Score_99%
Avira HEUR/AGEN.1103117
Antiy-AVL Trojan/Win32.TSGeneric
Kingsoft Win32.Troj.Yakes.ta.(kcloud)
Microsoft Ransom:Win32/Locky
SUPERAntiSpyware Backdoor.Andromeda/Variant
ZoneAlarm Trojan.Win32.Yakes.tazo
GData Trojan.Ransom.BOW
Cynet Malicious (score: 90)
AhnLab-V3 Trojan/Win32.Locky.C1922152
VBA32 OScope.Malware-Cryptor.Hlux
ALYac Trojan.Ransom.LockyCrypt
MAX malware (ai score=100)
Malwarebytes Ransom.Spora
Panda Trj/Genetic.gen
Zoner Trojan.Win32.56525
ESET-NOD32 a variant of Win32/Injector.DNZS
TrendMicro-HouseCall Ransom_LOCKY.AUSVZ
Rising Ransom.Locky!8.1CD4 (CLOUD)
Yandex Trojan.GenAsa!wLl2+7f1qA0
SentinelOne Static AI – Suspicious PE
Fortinet W32/Injector.DOLH!tr
Webroot W32.Ransom.Locky
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Botnet.Yakes.HwcB8FwA

How to remove Trojan.Ransom.BOW 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.Ransom.BOW 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.Ransom.BOW 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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