BScope.Backdoor.Tofsee

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

What is BScope.Backdoor.Tofsee infection?

In this post you will find concerning the meaning of BScope.Backdoor.Tofsee and its negative influence on your computer. Such ransomware are a form of malware that is elaborated by on the internet frauds to require paying the ransom by a victim.

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In the majority of the situations, BScope.Backdoor.Tofsee infection will instruct its victims to start funds move for the purpose of counteracting the modifications that the Trojan infection has actually introduced to the sufferer’s tool.

BScope.Backdoor.Tofsee Summary

These adjustments 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.
  • 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.
  • Mimics the system’s user agent string for its own requests;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Exhibits behavior characteristic of Locky ransomware;
  • Exhibits possible ransomware file modification behavior;
  • Appends a known Locky ransomware file extension to files that have been encrypted;
  • Creates a known Locky ransomware decryption instruction / key file.;
  • Ciphering the records found on the sufferer’s hard drive — so the victim can no more make use of the information;
  • Preventing regular accessibility to the target’s workstation;

BScope.Backdoor.Tofsee

One of the most regular networks through which BScope.Backdoor.Tofsee are injected are:

  • By ways of phishing emails;
  • As a consequence of customer ending up on a resource that hosts a malicious software application;

As quickly as the Trojan is efficiently infused, it will either cipher the data on the sufferer’s computer or protect against the device from operating in a proper manner – while also positioning a ransom money note that states the need for the victims to impact the settlement for the function of decrypting the documents or bring back the file system back to the preliminary condition. In most circumstances, the ransom note will turn up when the client reboots the COMPUTER after the system has already been harmed.

BScope.Backdoor.Tofsee circulation networks.

In numerous corners of the world, BScope.Backdoor.Tofsee expands by leaps and also bounds. Nevertheless, the ransom money notes and also techniques of extorting the ransom money quantity may vary relying on certain regional (local) setups. The ransom notes as well as methods of extorting the ransom money amount might vary depending on certain neighborhood (local) settings.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software.

    In particular areas, the Trojans often wrongfully report having spotted some unlicensed applications allowed on the sufferer’s device. The alert after that requires the user to pay the ransom money.

    Faulty statements about unlawful web content.

    In nations where software program piracy is less prominent, this approach is not as efficient for the cyber frauds. Alternatively, the BScope.Backdoor.Tofsee popup alert may wrongly declare to be stemming from a law enforcement institution as well as will report having situated youngster pornography or various other unlawful information on the gadget.

    BScope.Backdoor.Tofsee popup alert might incorrectly claim to be acquiring from a regulation enforcement organization and will report having located child porn or various other illegal data on the gadget. The alert will in a similar way have a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 70B159CE
md5: bde5396bfed96a5fbf49391e1ee59c71
name: BDE5396BFED96A5FBF49391E1EE59C71.mlw
sha1: aa619a2573fe736775bf40496c198bf9b4ead322
sha256: 0ba4c60b6f3b3aa8ea44b6bd6e8319b702d9ac315698e53ff018f5126a11b92d
sha512: e7612e23b039510d6c512ecdf8a0a73ee91ca1b5d359e75905437987c5a169010ae3ec789ce12b0a138fb983eec5e1ee9150609815c81f2012d8faf167ea2cae
ssdeep: 6144:zII/EhZl2Q6MzoXSsXmBS3Jl1FAjqDI6:zII/Eb+MzEM83D16qh
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

BScope.Backdoor.Tofsee also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005137001 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.10114
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Exxroute.A3
ALYac Trojan.Ransom.Spora.Gen.1
Cylance Unsafe
Zillya Trojan.Locky.Win32.2699
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/generic.ali2000010
K7GW Trojan ( 00503e721 )
Cybereason malicious.bfed96
Baidu Win32.Trojan.Kryptik.bjq
Cyren W32/Ransom.DN.gen!Eldorado
Symantec Packed.Generic.493
ESET-NOD32 Win32/Filecoder.Locky.C
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Ransomware.Spora-7554327-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Ransom.Spora.Gen.1
NANO-Antivirus Trojan.Win32.DKLX.elnvao
MicroWorld-eScan Trojan.Ransom.Spora.Gen.1
Tencent Malware.Win32.Gencirc.11494bcd
Ad-Aware Trojan.Ransom.Spora.Gen.1
Sophos ML/PE-A + Mal/Elenoocka-E
Comodo TrojWare.Win32.Crypt.C@7vajd0
BitDefenderTheta Gen:NN.ZexaF.34686.pmW@amuaw6hi
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CERBER.SM37
McAfee-GW-Edition BehavesLike.Win32.Virut.dh
FireEye Generic.mg.bde5396bfed96a5f
Emsisoft Trojan.Ransom.Spora.Gen.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Locky.dih
Webroot Trojan.Dropper.Gen
Avira TR/Crypt.XPACK.Gen7
eGambit Unsafe.AI_Score_61%
Microsoft Ransom:Win32/Locky.A
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.Ransom.Spora.Gen.1
AhnLab-V3 Trojan/Win32.Cerber.R194495
Acronis suspicious
McAfee Ransomware-FMJ!BDE5396BFED9
MAX malware (ai score=100)
VBA32 BScope.Backdoor.Tofsee
Malwarebytes Cerber.Ransom.Encrypt.DDS
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_CERBER.SM37
Rising Ransom.Cerber!8.3058 (CLOUD)
Yandex Trojan.GenAsa!rxu2bYaaI5c
Ikarus Trojan-Ransom.Cerber
Fortinet W32/GenKryptik.APXF!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove BScope.Backdoor.Tofsee 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 BScope.Backdoor.Tofsee 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 BScope.Backdoor.Tofsee 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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