Trojan.Agent.FBNA

What is Trojan.Agent.FBNA infection?

In this post you will certainly find about the meaning of Trojan.Agent.FBNA and its unfavorable effect on your computer. Such ransomware are a kind of malware that is clarified by online fraudulences to require paying the ransom by a victim.

Most of the cases, Trojan.Agent.FBNA virus will certainly advise its sufferers to launch funds move for the purpose of reducing the effects of the changes that the Trojan infection has introduced to the victim’s gadget.

Trojan.Agent.FBNA Summary

These modifications 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.
  • 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;
  • Expresses interest in specific running processes;
  • 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.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the victim’s hard disk — so the target can no more use the information;
  • Preventing routine 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.Win32.Wacatac.oa!s1
a.tomx.xyz Ransom.Win32.Wacatac.oa!s1

Trojan.Agent.FBNA

The most normal channels whereby Trojan.Agent.FBNA Ransomware are injected are:

  • By ways of phishing e-mails;
  • As an effect of customer ending up on a resource that holds a harmful software;

As quickly as the Trojan is successfully infused, it will either cipher the data on the target’s PC or prevent the gadget from functioning in a correct way – while also placing a ransom money note that mentions the need for the sufferers to effect the repayment for the function of decrypting the files or recovering the documents system back to the initial problem. In many circumstances, the ransom note will turn up when the customer restarts the COMPUTER after the system has actually currently been harmed.

Trojan.Agent.FBNA distribution networks.

In various edges of the world, Trojan.Agent.FBNA expands by leaps and bounds. Nonetheless, the ransom money notes as well as tricks of extorting the ransom quantity may differ relying on particular regional (local) settings. The ransom money notes as well as techniques of extorting the ransom money amount may differ depending on specific local (regional) setups.

Ransomware injection

For instance:

    Faulty alerts concerning unlicensed software application.

    In particular locations, the Trojans commonly wrongfully report having identified some unlicensed applications allowed on the target’s gadget. The alert after that requires the individual to pay the ransom.

    Faulty declarations concerning illegal content.

    In countries where software application piracy is less prominent, this approach is not as efficient for the cyber frauds. Alternatively, the Trojan.Agent.FBNA popup alert might incorrectly assert to be deriving from a police organization as well as will certainly report having situated child pornography or various other prohibited data on the device.

    Trojan.Agent.FBNA popup alert might incorrectly declare to be acquiring from a law enforcement institution and will report having situated youngster pornography or other unlawful data on the device. The alert will in a similar way consist of a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: A393CE95md5: bbb571a04c13c74efa27ed0e84d2dda5name: BBB571A04C13C74EFA27ED0E84D2DDA5.mlwsha1: d247b2298c0dfd641a0d15cf24f968a3f53bf0afsha256: 6b191ce4433ce5dbdfdf0dbd4a947557dd2191deb3e3408b253e4bcc87b4b14fsha512: 269572eeea9ecedcd85402d43974dda09954d094c044e8163e531f03f48a5f361c82bfc2f1754d94566b102c4e210a946b5f60fed9e6f0c5fc564b9d25b2563cssdeep: 3072:azLpdw1heQ+FlKd1qij5MpPi6QAEWczI3vZu6M/KrkCGtFwCZD6zdaQBXLl:az7EhfEKfqq5MptE3zh/KrfaFXRaDtype: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Agent.FBNA also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Agent.FBNA
FireEye Generic.mg.bbb571a04c13c74e
CAT-QuickHeal Backdoor.Emotet
ALYac Trojan.Agent.Emotet
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
CrowdStrike win/malicious_confidence_80% (D)
BitDefender Trojan.Agent.FBNA
K7GW Riskware ( 0040eff71 )
K7AntiVirus Riskware ( 0040eff71 )
Cyren W32/Emotet.AZX.gen!Eldorado
Symantec ML.Attribute.HighConfidence
TrendMicro-HouseCall TrojanSpy.Win32.EMOTET.SMTHI
Avast Win32:TrojanX-gen [Trj]
ClamAV Win.Malware.Emotet-9819205-0
Kaspersky HEUR:Backdoor.Win32.Emotet.gen
Alibaba Trojan:Win32/EmotetCrypt.950b4495
ViRobot Trojan.Win32.Emotet.195072
AegisLab Trojan.Win32.Malicious.4!c
Tencent Malware.Win32.Gencirc.10ce30b0
Ad-Aware Trojan.Agent.FBNA
Emsisoft Trojan.Emotet (A)
F-Secure Trojan.TR/AD.Emotet.gag
Zillya Backdoor.Emotet.Win32.1187
TrendMicro TrojanSpy.Win32.EMOTET.SMTHI
McAfee-GW-Edition BehavesLike.Win32.Emotet.cc
Sophos ML/PE-A + Troj/Emotet-CVH
SentinelOne Static AI – Malicious PE
Jiangmin Backdoor.Emotet.vv
Avira TR/AD.Emotet.gag
MAX malware (ai score=87)
Antiy-AVL Trojan/Win32.Emotet
Microsoft Trojan:Win32/EmotetCrypt.PEF!MTB
Gridinsoft Ransom.Win32.Wacatac.oa!s1
Arcabit Trojan.Agent.FBNA
ZoneAlarm HEUR:Backdoor.Win32.Emotet.gen
GData Trojan.Agent.FBNA
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Emotet.C4289232
McAfee Emotet-FRR!BBB571A04C13
TACHYON Trojan/W32.Agent.195072.RJ
VBA32 Backdoor.Emotet
Malwarebytes Trojan.Emotet
Panda Trj/GdSda.A
APEX Malicious
ESET-NOD32 Win32/Emotet.CN
Rising Trojan.Kryptik!1.D0EA (CLASSIC)
Yandex Trojan.Emotet!ERLVvCkTPx4
Ikarus Trojan-Banker.Emotet
Fortinet W32/Emotet.CN!tr
BitDefenderTheta Gen:NN.ZedlaF.34760.lu4@amLdEKni
AVG Win32:TrojanX-gen [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Backdoor.f34

How to remove Trojan.Agent.FBNA 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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove Trojan.Agent.FBNA you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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