Win32:Small-KBA [Trj]

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

What is Win32:Small-KBA [Trj] infection?

In this short article you will certainly discover regarding the meaning of Win32:Small-KBA [Trj] and its unfavorable impact on your computer. Such ransomware are a type of malware that is specified by on-line frauds to demand paying the ransom money by a target.

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In the majority of the situations, Win32:Small-KBA [Trj] infection will certainly advise its victims to initiate funds move for the objective of reducing the effects of the changes that the Trojan infection has actually presented to the victim’s device.

Win32:Small-KBA [Trj] Summary

These modifications can be as complies with:

  • 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.
  • Ciphering the records situated on the target’s disk drive — so the target can no more utilize the data;
  • Preventing routine accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Win32:Small-KBA [Trj]

The most common channels through which Win32:Small-KBA [Trj] Ransomware are injected are:

  • By ways of phishing emails;
  • As a consequence of individual winding up on a resource that holds a harmful software program;

As soon as the Trojan is efficiently injected, it will either cipher the data on the victim’s computer or protect against the device from working in a correct way – while also positioning a ransom note that mentions the demand for the sufferers to impact the repayment for the objective of decrypting the files or recovering the data system back to the first condition. In a lot of circumstances, the ransom money note will certainly show up when the customer restarts the PC after the system has actually already been harmed.

Win32:Small-KBA [Trj] circulation channels.

In various edges of the world, Win32:Small-KBA [Trj] expands by jumps and also bounds. However, the ransom money notes and methods of extorting the ransom quantity might differ relying on specific local (local) setups. The ransom money notes and tricks of obtaining the ransom money amount might differ depending on certain neighborhood (local) setups.

Ransomware injection

For example:

    Faulty informs regarding unlicensed software program.

    In particular locations, the Trojans commonly wrongfully report having actually spotted some unlicensed applications made it possible for on the sufferer’s gadget. The sharp then requires the customer to pay the ransom money.

    Faulty declarations about unlawful material.

    In countries where software piracy is much less preferred, this technique is not as effective for the cyber scams. Additionally, the Win32:Small-KBA [Trj] popup alert might wrongly assert to be stemming from a police institution and also will certainly report having situated child pornography or other illegal data on the gadget.

    Win32:Small-KBA [Trj] popup alert might wrongly declare to be deriving from a regulation enforcement institution and also will report having located youngster porn or other unlawful data on the device. The alert will in a similar way include a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 9174AC3A
md5: a49654f259857606cd2e813ddf81bcc2
name: A49654F259857606CD2E813DDF81BCC2.mlw
sha1: b70decc7d5e526bc37c562957bb3bc44584f3fa8
sha256: 0780d2638cf22d0ce9faacac23ff142bbfbe2a0cd5797d66d24c2a1b2da7dbb0
sha512: e7ef7546b9403b5b4586b411bb4c0aac08cdfdfaaefa274b77b14a04f86baef431782c5ab2120f775c1505bcea4ca496b12f7dcded41226c42e8f878b5acd87e
ssdeep: 3072:WG+jiOxO6DZvgN/ANRcbgbntW5n2ThWsNexPnCrnfbgbntW5n2ThWsNexPnCrnd:6jiuDZv4/yibSankP+6bfbSankP+6bd
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, UPX compressed

Version Info:

0: [No Data]

Win32:Small-KBA [Trj] also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0003ef7e1 )
Elastic malicious (high confidence)
DrWeb BackDoor.FireOn.origin
ClamAV Win.Worm.Socks-7102088-0
McAfee BackDoor-DOQ
Cylance Unsafe
Zillya Trojan.Blocker.Win32.47216
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/Blocker.5279d6e6
K7GW Trojan ( 0003ef7e1 )
Cybereason malicious.259857
Baidu Win32.Trojan-PSW.Agent.e
Cyren W32/Socks.A.gen!Eldorado
Symantec Infostealer
ESET-NOD32 a variant of Win32/Socks.NAJ
APEX Malicious
Avast Win32:Small-KBA [Trj]
Cynet Malicious (score: 100)
Kaspersky Trojan-Ransom.Win32.Blocker.iwia
BitDefender Trojan.Crypt.AS
NANO-Antivirus Trojan.Win32.Agent.cvpeyq
MicroWorld-eScan Trojan.Crypt.AS
Tencent Win32.Trojan.Blocker.Lmkk
Ad-Aware Trojan.Crypt.AS
Sophos Mal/Generic-S
Comodo Backdoor.Win32.Agent.DOQ9@17bcpt
BitDefenderTheta AI:Packer.D6DD2DE91E
VIPRE Backdoor.Win32.Agent.gph (fs)
TrendMicro WORM_SOCKS.EJ
McAfee-GW-Edition BehavesLike.Win32.Backdoor.dt
FireEye Generic.mg.a49654f259857606
Emsisoft Trojan.Crypt.AS (B)
SentinelOne Static AI – Malicious PE
Jiangmin Worm/AutoRun.gxl
Avira TR/Spy.Gen
eGambit Unsafe.AI_Score_99%
Microsoft Trojan:Win32/Malex.gen!J
ZoneAlarm Trojan-Ransom.Win32.Blocker.iwia
GData Trojan.Crypt.AS
TACHYON Ransom/W32.Blocker.272970
Acronis suspicious
VBA32 BScope.Worm.Socks
MAX malware (ai score=85)
Malwarebytes Generic.Worm.Autorun.DDS
Panda Bck/Agent.IRY
TrendMicro-HouseCall WORM_SOCKS.EJ
Rising Ransom.Blocker!8.12A (TFE:dGZlOgVm25iVAGM3sw)
Yandex Trojan.GenAsa!BVhLnQbYp+c
Ikarus Worm.Win32.Socks
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Socks.HF!worm
AVG Win32:Small-KBA [Trj]
Paloalto generic.ml

How to remove Win32:Small-KBA [Trj] 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 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 Win32:Small-KBA [Trj] 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:Small-KBA [Trj] 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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