Trojan-Spy.Win32.Stealer.nb

Written by Robert Bailey

What is Trojan-Spy.Win32.Stealer.nb infection?

In this short article you will certainly find regarding the meaning of Trojan-Spy.Win32.Stealer.nb and its adverse influence on your computer system. Such ransomware are a type of malware that is clarified by on-line scams to demand paying the ransom money by a target.

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In the majority of the situations, Trojan-Spy.Win32.Stealer.nb ransomware will instruct its targets to start funds transfer for the objective of counteracting the modifications that the Trojan infection has actually presented to the target’s gadget.

Trojan-Spy.Win32.Stealer.nb 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.
  • 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.

  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • 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 documents found on the victim’s disk drive — so the sufferer can no longer utilize the data;
  • Preventing regular access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyz Ransom.GandCrypt!8.F33E (CLOUD)
a.tomx.xyz Ransom.GandCrypt!8.F33E (CLOUD)

Trojan-Spy.Win32.Stealer.nb

The most regular channels through which Trojan-Spy.Win32.Stealer.nb Ransomware are injected are:

  • By methods of phishing emails;
  • As a repercussion of individual winding up on a source that holds a harmful software;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the information on the victim’s computer or stop the tool from working in a correct way – while additionally placing a ransom money note that discusses the requirement for the targets to effect the repayment for the objective of decrypting the documents or bring back the documents system back to the preliminary problem. In many instances, the ransom note will show up when the customer restarts the COMPUTER after the system has actually currently been harmed.

Trojan-Spy.Win32.Stealer.nb circulation channels.

In various edges of the globe, Trojan-Spy.Win32.Stealer.nb grows by leaps and also bounds. Nevertheless, the ransom notes and methods of extorting the ransom quantity might differ depending upon particular regional (regional) setups. The ransom notes and techniques of extorting the ransom money quantity may differ depending on specific local (regional) settings.

Ransomware injection

As an example:

    Faulty notifies concerning unlicensed software program.

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

    Faulty declarations regarding illegal content.

    In nations where software program piracy is less preferred, this technique is not as efficient for the cyber fraudulences. Additionally, the Trojan-Spy.Win32.Stealer.nb popup alert may wrongly declare to be stemming from a law enforcement institution as well as will certainly report having located youngster pornography or various other prohibited information on the gadget.

    Trojan-Spy.Win32.Stealer.nb popup alert might incorrectly claim to be deriving from a law enforcement establishment and will certainly report having situated youngster porn or various other prohibited information on the gadget. The alert will similarly have a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 4C5090E0
md5: 0c26d82ea47191103d178e0bba696044
name: 0C26D82EA47191103D178E0BBA696044.mlw
sha1: 94d1478c493cddf7b79757c732c9a6ec8aa8d206
sha256: 69d15206c9fd455f7122cb4a9b972dd0fbec4ccbbba2fb256ab9f6c1e5c8f10a
sha512: ecdc9bee01b2c9f36b5e40f6e6542b98787e5863d2086b361887757657028daddd9770274607145a7ac8baa23d8df62e0fe08fc3d6d642ea9227a6ed3c23a975
ssdeep: 6144:APyFaFiE48kcOB0+Iu5uTq4exosqSGejvIz4QOO3yD0wFae0BKYJ9hvzqF596xDL:4yIFix3hAm4exQH/OOC7d0BRVvG9C+ZO
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright:
FileVersion:
CompanyName:
Comments: This installation was built with Inno Setup.
ProductName: USBAntivirus
ProductVersion: v2
FileDescription: USBAntivirus Setup
Translation: 0x0000 0x04b0

Trojan-Spy.Win32.Stealer.nb also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Riskware ( 0040eff71 )
DrWeb Trojan.PWS.Stealer.24300
Cynet Malicious (score: 99)
ALYac Trojan.Brsecmon.1
Cylance Unsafe
Zillya Trojan.Stealer.Win32.660
Alibaba TrojanSpy:Win32/Stealer.45e32ae7
K7GW Riskware ( 0040eff71 )
Cybereason malicious.ea4719
Symantec Trojan.Gen.MBT
ESET-NOD32 a variant of Win32/Kryptik.GLAC
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Spy.Win32.Stealer.nb
BitDefender Trojan.Brsecmon.1
NANO-Antivirus Trojan.Win32.Stealer.fijpvq
MicroWorld-eScan Trojan.Brsecmon.1
Tencent Win32.Trojan-spy.Stealer.Fic
Sophos Mal/Generic-S
Comodo Malware@#19gty2pikvl2e
BitDefenderTheta Gen:NN.ZexaF.34686.kuW@aSlSE8hO
McAfee-GW-Edition BehavesLike.Win32.AdwareFileTour.gc
FireEye Trojan.Brsecmon.1
Emsisoft Trojan.Brsecmon.1 (B)
Webroot W32.Adware.Installcore
Avira HEUR/AGEN.1112397
Microsoft Trojan:Win32/Gandcrab.AF
SUPERAntiSpyware Trojan.Agent/Gen-Dropper
ZoneAlarm Trojan-Spy.Win32.Stealer.nb
GData Trojan.Brsecmon.1
AhnLab-V3 Malware/Win32.Generic.C2728611
McAfee Generic.dyu
MAX malware (ai score=100)
VBA32 TrojanSpy.Stealer
Malwarebytes Trojan.PasswordStealer
Panda Trj/CI.A
Rising Ransom.GandCrypt!8.F33E (CLOUD)
Yandex TrojanSpy.Stealer!/9WoHfdjh+0
Ikarus Trojan.Crypt
Fortinet W32/GenKryptik.CNAR!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Trojan-Spy.Win32.Stealer.nb virus?

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-Spy.Win32.Stealer.nb 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-Spy.Win32.Stealer.nb 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/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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