Win32/Spy.Banbra.OKT

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

What is Win32/Spy.Banbra.OKT infection?

In this article you will locate regarding the meaning of Win32/Spy.Banbra.OKT and its adverse influence on your computer system. Such ransomware are a type of malware that is clarified by on-line fraudulences to demand paying the ransom money by a victim.

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Most of the situations, Win32/Spy.Banbra.OKT virus will certainly instruct its targets to launch funds move for the purpose of neutralizing the modifications that the Trojan infection has introduced to the sufferer’s tool.

Win32/Spy.Banbra.OKT Summary

These modifications can be as complies with:

  • 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.
  • Unconventionial language used in binary resources: Portuguese (Brazilian);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • 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.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Attempts to disable System Restore. System Restore function – allows you to revert the computer’s state (system files, applications, and system settings) to that of a previous point in time, which can be used to recover after a virus attack.
  • Attempts to disable UAC.

    User Account Control or just UAC is a part of the Windows security system which prevents apps from making unwanted changes on PC.

    UAC includes several technologies 1:

    • File and egistry Virtualization;
    • Same-desktop Elevation;
    • Filtered Token;
    • User Interface Privilege Isolation;
    • Protected Mode Internet Explorer;
    • Installer Detection;
  • Ciphering the documents situated on the target’s hard drive — so the target can no longer use the data;
  • Preventing regular accessibility to the victim’s workstation;

Win32/Spy.Banbra.OKT

The most typical channels whereby Win32/Spy.Banbra.OKT Ransomware are infused are:

  • By ways of phishing e-mails;
  • As an effect of individual ending up on a source that organizes a malicious software;

As soon as the Trojan is efficiently infused, it will certainly either cipher the information on the victim’s computer or protect against the device from functioning in a correct fashion – while additionally positioning a ransom note that mentions the need for the targets to effect the repayment for the objective of decrypting the documents or recovering the data system back to the first condition. In the majority of circumstances, the ransom money note will come up when the customer reboots the PC after the system has actually currently been harmed.

Win32/Spy.Banbra.OKT circulation channels.

In different edges of the world, Win32/Spy.Banbra.OKT expands by leaps and bounds. Nevertheless, the ransom notes and methods of extorting the ransom money amount might vary depending upon specific regional (regional) settings. The ransom notes as well as techniques of extorting the ransom amount might vary depending on particular regional (local) setups.

Ransomware injection

For example:

    Faulty informs about unlicensed software program.

    In certain locations, the Trojans typically wrongfully report having spotted some unlicensed applications allowed on the victim’s device. The alert then requires the user to pay the ransom money.

    Faulty statements concerning illegal content.

    In countries where software piracy is much less popular, this approach is not as reliable for the cyber scams. Additionally, the Win32/Spy.Banbra.OKT popup alert might falsely assert to be originating from a law enforcement organization as well as will report having located child pornography or various other prohibited information on the device.

    Win32/Spy.Banbra.OKT popup alert may falsely claim to be deriving from a law enforcement establishment and will certainly report having situated youngster pornography or various other unlawful data on the tool. The alert will likewise include a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: CCC2D3B0
md5: 5895c59945c630f0fac11d82b5590b31
name: 5895C59945C630F0FAC11D82B5590B31.mlw
sha1: b20c38069f73fa68622c4c3bb053d3b7fdb1b9ef
sha256: 08770f4fb94f6a13f9db6661e831acf7f1f56dddad6f10dcf154c9bf9194fc09
sha512: b9024f199a2f0bcea7225e2c33a24c409098b9883ad973a649ae317863520563998318ee9c8b59075ff8347e14dc9f5c651b0086f59a570c0907465596126ebe
ssdeep: 6144:wQi+NP7SCN//5itThM8euo0lMhNxUpZNyt74:wQi+8E35itThM9fxU5m
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Win32/Spy.Banbra.OKT also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 7000000f1 )
CynetMalicious (score: 99)
ALYacGen:Variant.Doina.9234
CylanceUnsafe
ZillyaTrojan.Blocker.Win32.20471
SangforTrojan.Win32.Save.a
AlibabaRansom:Win32/Blocker.e7216dc4
K7GWTrojan ( 7000000f1 )
Cybereasonmalicious.945c63
SymantecInfostealer.Bancos
ESET-NOD32a variant of Win32/Spy.Banbra.OKT
APEXMalicious
AvastWin32:Malware-gen
KasperskyTrojan-Ransom.Win32.Blocker.fhch
BitDefenderGen:Variant.Doina.9234
NANO-AntivirusTrojan.Win32.Blocker.ddowef
MicroWorld-eScanGen:Variant.Doina.9234
TencentWin32.Trojan.Blocker.Sxer
Ad-AwareGen:Variant.Doina.9234
SophosMal/Generic-S
ComodoMalware@#2kah309rmmgnx
BitDefenderThetaGen:NN.ZelphiF.34722.pmGfaaZBbOnO
VIPRETrojan.Win32.Generic.pak!cobra
TrendMicroTSPY_BANBRA.MUIY
McAfee-GW-EditionBehavesLike.Win32.Dropper.dc
FireEyeGeneric.mg.5895c59945c630f0
EmsisoftGen:Variant.Doina.9234 (B)
SentinelOneStatic AI – Suspicious PE
JiangminTrojan/Blocker.jlp
WebrootW32.Malware.Gen
AviraTR/Spy.Banker.Gen
eGambitGeneric.PSW
Antiy-AVLTrojan/Generic.ASMalwS.18BD2B2
KingsoftWin32.Heur.KVM099.a.(kcloud)
MicrosoftTrojan:Win32/Dynamer!ac
GDataGen:Variant.Doina.9234
AhnLab-V3Trojan/Win32.Blocker.C499153
McAfeeArtemis!5895C59945C6
MAXmalware (ai score=99)
VBA32TScope.Trojan.Delf
PandaTrj/CI.A
TrendMicro-HouseCallTSPY_BANBRA.MUIY
YandexTrojan.Blocker!Ko3h+EPbHAk
IkarusPUA.DealPly
FortinetW32/ProxyChanger.WVB!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove Win32/Spy.Banbra.OKT 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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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft3.

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/Spy.Banbra.OKT 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/Spy.Banbra.OKT you can always ask me in the comments for getting help.

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References

  1. Microsoft Ignite: How to disable User Account Control (UAC) on Windows Server
  2. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  3. 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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