Trojan.Agent.LB
Andrew Patterson
Updated on April 15, 2026
What is Trojan.Agent.LB infection?
In this article you will discover about the meaning of Trojan.Agent.LB and also its negative influence on your computer system. Such ransomware are a type of malware that is elaborated by on-line scams to demand paying the ransom by a target.
In the majority of the situations, Trojan.Agent.LB virus will instruct its sufferers to initiate funds transfer for the purpose of reducing the effects of the changes that the Trojan infection has actually introduced to the victim’s gadget.
Trojan.Agent.LB Summary
These modifications can be as follows:
- Injection (inter-process);
- Injection (Process Hollowing);
- 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.
- Executed a process and injected code into it, probably while unpacking;
- 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.
- Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Ciphering the records found on the victim’s hard drive — so the sufferer can no longer make use of the information;
- Preventing normal accessibility to the victim’s workstation;
| z.whorecord.xyz | Ransom.TeslaCrypt.ZZ5 |
| a.tomx.xyz | Ransom.TeslaCrypt.ZZ5 |
Trojan.Agent.LB
One of the most common networks where Trojan.Agent.LB Trojans are injected are:
- By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
- As an effect of customer ending up on a source that hosts a destructive software;
As quickly as the Trojan is efficiently injected, it will either cipher the data on the target’s computer or prevent the tool from working in an appropriate fashion – while additionally putting a ransom note that discusses the need for the targets to effect the repayment for the objective of decrypting the documents or bring back the file system back to the first problem. In most circumstances, the ransom note will certainly show up when the customer restarts the PC after the system has actually already been damaged.
Trojan.Agent.LB circulation networks.
In various corners of the globe, Trojan.Agent.LB grows by leaps and bounds. Nonetheless, the ransom notes as well as techniques of obtaining the ransom amount might differ depending on specific neighborhood (regional) settings. The ransom money notes and techniques of extorting the ransom quantity might differ depending on certain neighborhood (local) setups.
For example:
Faulty informs about unlicensed software program.
In certain areas, the Trojans typically wrongfully report having actually discovered some unlicensed applications made it possible for on the sufferer’s gadget. The sharp then demands the user to pay the ransom money.
Faulty statements regarding illegal content.
In countries where software application piracy is less preferred, this approach is not as reliable for the cyber fraudulences. Alternatively, the Trojan.Agent.LB popup alert might wrongly declare to be stemming from a police organization and will certainly report having located kid porn or other unlawful data on the device.
Trojan.Agent.LB popup alert might falsely assert to be deriving from a law enforcement establishment as well as will report having located kid porn or other prohibited data on the device. The alert will in a similar way include a demand for the individual to pay the ransom money.
Technical details
File Info:
crc32: FEA90030md5: e2bf42217a67e46433da8b6f4507219ename: E2BF42217A67E46433DA8B6F4507219E.mlwsha1: daf263702f11dc0430d30f9bf443e7885cf91fcbsha256: ae8a1c7eb64c42ea2a04f97523ebf0844c27029eb040d910048b680f884b9dcesha512: 827ce1460954d1d75f66cee11e0277e295aa6a4b4e6ac2f2f5f20ef2107dbe6dcfa0cb771fb9dd75e4157bd4830fd82ed719732a6318e7f48172ae4342391d6dssdeep: 384:WFVmdLgy5rg8g3SRrmlmwTwJrgmoS+GFbenP56cbwRG10IOp2n40iFLcH:GX4g8LRjhgmoDGFyP3+zb4nGYtype: PE32 executable (console) Intel 80386, for MS WindowsVersion Info:
0: [No Data]
Trojan.Agent.LB also known as:
| GridinSoft | Trojan.Ransom.Gen |
| K7AntiVirus | Trojan ( 0055e3991 ) |
| Elastic | malicious (high confidence) |
| DrWeb | Trojan.Inject.64211 |
| Cynet | Malicious (score: 100) |
| CAT-QuickHeal | Ransom.TeslaCrypt.ZZ5 |
| ALYac | Gen:Trojan.ExplorerHijack.dqW@aO9ui3p |
| Cylance | Unsafe |
| Zillya | Trojan.Agent.Win32.229238 |
| Sangfor | Trojan.Win32.Save.a |
| CrowdStrike | win/malicious_confidence_100% (W) |
| Alibaba | TrojanSpy:Win32/KeyLogger.570e4f43 |
| K7GW | Trojan ( 0055e3991 ) |
| Cybereason | malicious.17a67e |
| Cyren | W32/Dropper.gen8!Maximus |
| Symantec | ML.Attribute.HighConfidence |
| ESET-NOD32 | Win32/Spy.KeyLogger.QRM |
| Avast | Win32:Malware-gen |
| Kaspersky | Trojan.Win32.Agent.hwkc |
| BitDefender | Gen:Trojan.ExplorerHijack.dqW@aO9ui3p |
| NANO-Antivirus | Trojan.Win32.Inject.fqwjev |
| MicroWorld-eScan | Gen:Trojan.ExplorerHijack.dqW@aO9ui3p |
| Tencent | Malware.Win32.Gencirc.114d7fe0 |
| Ad-Aware | Gen:Trojan.ExplorerHijack.dqW@aO9ui3p |
| Sophos | Mal/Generic-R + Mal/Emogen-Y |
| Comodo | Malware@#10mbeio2hhou8 |
| F-Secure | |
| BitDefenderTheta | AI:Packer.0FA0702C1B |
| VIPRE | Trojan.Win32.Encpk.agsb (v) |
| TrendMicro | TROJ_SPNR.29C414 |
| McAfee-GW-Edition | RDN/Autorun.worm.gen.cv |
| FireEye | Generic.mg.e2bf42217a67e464 |
| Emsisoft | Gen:Trojan.ExplorerHijack.dqW@aO9ui3p (B) |
| SentinelOne | Static AI – Malicious PE |
| Jiangmin | Trojan/Generic.xbgc |
| Webroot | W32.Dropper.Gen |
| Avira | TR/Hijacker.Gen |
| eGambit | Unsafe.AI_Score_99% |
| Antiy-AVL | Trojan/Win32.Agent |
| Kingsoft | Win32.Troj.Undef.(kcloud) |
| Arcabit | Trojan.ExplorerHijack.E88CBE |
| AegisLab | Trojan.Win32.Agent.tn9B |
| ZoneAlarm | Trojan.Win32.Agent.hwkc |
| GData | Gen:Trojan.ExplorerHijack.dqW@aO9ui3p |
| TACHYON | Trojan/W32.Agent.53248.EGF |
| AhnLab-V3 | Dropper/Win32.Agent.R194628 |
| McAfee | RDN/Autorun.worm.gen.cv |
| MAX | malware (ai score=100) |
| VBA32 | Malware-Cryptor.Inject.gen |
| Malwarebytes | Trojan.Agent.LB |
| TrendMicro-HouseCall | TROJ_SPNR.29C414 |
| Rising | Trojan.Agent!8.B1E (CLOUD) |
| Yandex | Trojan.GenAsa!QDcMLBu0Dsk |
| Ikarus | Trojan.SuspectCRC |
| Fortinet | W32/Generic.AP.419160 |
| AVG | Win32:Malware-gen |
| Paloalto | generic.ml |
| Qihoo-360 | Win32/Trojan.b75 |
How to remove Trojan.Agent.LB virus?
There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.
Download GridinSoft Anti-Malware.
You can download GridinSoft Anti-Malware by clicking the button below:
Download GridinSoft Anti-MalwareRun 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.
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.
Press “Install” button.
Once installed, Anti-Malware will automatically run.
Wait for the Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your system for Trojan.Agent.LB 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.
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.
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 Anti-Malware
If the guide doesn’t help you to remove Trojan.Agent.LB you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
