Threat Database Trojans Trojan.Agent.FSB

Trojan.Agent.FSB

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 4,499
Threat Level: 80 % (High)
Infected Computers: 195
First Seen: December 9, 2024
Last Seen: July 15, 2026
OS(es) Affected: Windows

The detection of Trojan.Agent.FSB on your system indicates a potential security threat. This report aims to provide you with general guidance on understanding and removing the detected threat. It is essential to approach this situation with caution and follow the recommended steps to ensure the security and integrity of your system.

What Is Trojan.Agent.FSB?

Trojan.Agent.FSB is a type of malware that has been detected on your system. The term "Trojan" refers to a type of malicious software that disguises itself as legitimate software, allowing it to bypass security measures and gain unauthorized access to a system. The specific characteristics and behaviors of Trojan.Agent.FSB can vary, but it is generally designed to perform malicious activities without the user's knowledge or consent.

How Trojan.Agent.FSB Operates

Malware like Trojan.Agent.FSB typically operates by exploiting vulnerabilities in software or manipulating user behavior to gain access to a system. Once inside, it can perform a variety of malicious activities, such as stealing sensitive information, installing additional malware, or providing unauthorized access to the system. The exact mechanisms used by Trojan.Agent.FSB are not specified here, as the focus is on providing general guidance for removal and system security.

Symptoms of Infection

Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. Common indicators include unusual system behavior, such as unexpected pop-ups, slow performance, or unfamiliar programs installed on the system. Additionally, changes in browser settings or the presence of suspicious toolbars can also be signs of a malware infection. It is crucial to monitor your system's behavior regularly and take prompt action if you suspect any malicious activity.

  • Unexplained changes in system settings or performance
  • Appearance of unfamiliar programs or toolbars
  • Frequent pop-ups or unexpected advertisements
  • Difficulty in removing unwanted programs or toolbars

How to Remove Trojan.Agent.FSB

  1. Enter Safe Mode with Networking to limit the malware's ability to spread or communicate with its command and control servers. This mode allows you to use the internet to download removal tools while minimizing the risk of further infection.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated with the latest definitions to improve detection and removal capabilities.
  3. Uninstall any suspicious programs or applications that were installed around the time the malware was detected. Be cautious and only remove programs you are certain are not essential to your system's operation.
  4. Reset your web browsers (Chrome, Firefox, Edge) to their default settings. This step can help remove any malicious extensions or settings changes made by the malware.
  5. Reboot your system and perform another full scan with your anti-malware tool to ensure all components of the malware have been removed. This step is crucial in verifying the effectiveness of the removal process.

Conclusion

The removal of Trojan.Agent.FSB requires careful and systematic steps to ensure the malware is completely eradicated from your system. By following the guidance provided and maintaining vigilance, you can help protect your system against future threats. Regularly updating your security software, being cautious with emails and downloads, and monitoring system behavior are key practices in preventing malware infections. Remember, the security of your system is an ongoing process that requires consistent effort and attention to detail.

Analysis Report

General information

Family Name: Trojan.Agent.FSB
Signature status: Hash Mismatch

Known Samples

MD5: a25a0b24682b8b21602d020b2d2d37fc
SHA1: cbb7e5ee9b0b056b35bbcf8f233b3cbac1e26fed
SHA256: C5C302AC7328A6EA059377AE1853E7606F4DFB254372041730E3C0C9C7A5A286
File Size: 1.76 MB, 1764864 bytes
MD5: a2d805821676e410844fd3d0094adb46
SHA1: 479c97787d2e030fff7a562f74a66e69f05d7b38
SHA256: 26DAC5B2B6BB5E6ECC0DE7DC3A325955B853AAC9FD7DC2B82FF80C1088AF17D1
File Size: 1.76 MB, 1764864 bytes
MD5: 4a432eceb93700d7737d2064109f826f
SHA1: d1feaa34d55c2c04c49a0559b22da2b73128f376
SHA256: 5B78217BCC254D3FBDFA8C76348D8219137CCD730B1285BD1DC0A10981C679A4
File Size: 3.10 MB, 3100672 bytes
MD5: 854c432d77c4ea56a9eb4b51b5d074c5
SHA1: d390c1d107c38582f000ffafff55efa05fe13a7e
SHA256: CD5C6D84DA7CAA6E330A6D2AD222327C805B174C414634B76DB7CBBA30C06E9C
File Size: 3.04 MB, 3036552 bytes
MD5: c989ca0af656aca9530a5defea4eef03
SHA1: cdbc30a83b95043946e45accb674c7fe1f6e2643
SHA256: 0EB087AB793E840C3515281E6B220686A8ADE86AE1AB572627A3B7F18A1209EA
File Size: 2.97 MB, 2969600 bytes
Show More
MD5: e0a1e1497be4b8b6f8213d983ad93869
SHA1: 42ee7128dda33182f8b1cc8ba6b08ef470166074
SHA256: 4888B856BAA3BC25E03EA05AC02B02C02D0E8E71F082638C215F7EB38FD975CE
File Size: 1.76 MB, 1764864 bytes
MD5: aed36b5c19597f1398cea5148e699190
SHA1: f47707449b411599a1653cadce8f82b1b3df0e2e
SHA256: 442F10423E8B91EFD0183A51DD6146EE8861456147AA1D6B36AAF92E6AC45A7C
File Size: 2.87 MB, 2868616 bytes
MD5: d4e10067256d0f7078af4eca29f60df5
SHA1: eea0744271208439ad73dad77d6b278c82495989
SHA256: 5AB634A4769C7FC11752FD8E57DA1B89B283898DC525191C2E0522740A53F454
File Size: 2.96 MB, 2958728 bytes
MD5: 40df8cf9d4e5ca88f0ccfd8307200ac8
SHA1: 442a2819d341fca2b61b6e151c0ddb7d2eb80a86
SHA256: 3CB11CEB387CE13DD3B9EA455C03CACF122579B79D9B6A5D999A172405489E6F
File Size: 2.16 MB, 2157184 bytes
MD5: 2f8e47bbb8f3551c5024e125606aad60
SHA1: 55d131635b3d3bcf19db4a3a36c79956b3a87615
SHA256: 685CEBF4E1E97BE10477DAC69E68E8BC67CE857AFD030E8526FFDD5C0B5E248D
File Size: 1.99 MB, 1993046 bytes
MD5: 5d81e8c99df3c1e1be34bd2e2230dc9b
SHA1: a6b7ab2f834891a7cfc20db477a92d9b8b27df69
SHA256: 57CD2FB76A8D9D7B6BED27511A7F4C390AFA1365557205750E3CB87982BB6FB1
File Size: 1.76 MB, 1764864 bytes
MD5: 3457cfef9a3253e26b0db8345a32a162
SHA1: 8cd02b9884ca681766a7bac949a588127edf63f3
SHA256: 329A3CE724AF315ABE82D9A6D934018F103B4776F192E1393C20FFE783648BC8
File Size: 3.55 MB, 3547080 bytes
MD5: 6e3ee9cb06172e657eb725cecfaa7610
SHA1: 855a5a712f569183d61a3b336541e83f7e12b1e1
SHA256: FA5CC57033A1D269BDE4A47A5D0670F09791D6E067D4D0CF8B107FD0C0D38F68
File Size: 3.54 MB, 3541752 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • File doesn't have relocations information
  • File doesn't have security information
  • File is 32-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is Native application (NOT .NET application)
  • File is not packed
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
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  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Icons

Windows PE Version Information

Name Value
Company Name
  • Horoshie Igri
  • PopCap Games
  • Symantec Corporation
File Description
  • FeedingFrenzy2
  • Feeding Frenzy 2
  • Game
  • Symantec Ghost Explorer
File Version
  • 11.5.1.2269
  • 11.5.1.2266
  • 11.5.0.2113
  • 1.2.3.4
  • 1.0
  • 1, 0, 0, 0
Internal Name
  • BugslayerUtil
  • FeedingFrenzy2
  • Feeding Frenzy 2
  • Ghostexp
Legal Copyright
  • Copyright (C) 1998-2008 Symantec Corporation. All rights reserved.
  • Copyright (C) 1998-2010 Symantec Corporation. All rights reserved.
  • Copyright (C) 2005
  • Copyright © 1997-2010
  • Copyright © 2006 PopCap Games
Original Filename
  • FeedingFrenzy2.exe
  • Ghostexp.exe
  • VS3.exe
Product Name
  • FeedingFrenzy2
  • Feeding Frenzy 2
  • Symantec Ghost Explorer
Product Version
  • 11.5.1.2269
  • 11.5.1.2266
  • 11.5.0.2113
  • 1.2.3.4
  • 1.0
Special Build
  • 0
  • GH

Digital Signatures

Signer Root Status
PopCap Games VeriSign Class 3 Code Signing 2004 CA Hash Mismatch
Symantec Corporation VeriSign Class 3 Code Signing 2004 CA Hash Mismatch

File Traits

  • 2+ executable sections
  • big overlay
  • HighEntropy
  • SusSec
  • x86

Block Information

Total Blocks: 4,428
Potentially Malicious Blocks: 1
Whitelisted Blocks: 3,995
Unknown Blocks: 432

Visual Map

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... Data truncated
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • Agent.FSB

Files Modified

File Attributes
\\?\volume{a7c706ea-0000-0000-0000-100000000000} Generic Read,Write Data,Write Attributes,Write extended,Append data
\\?\volume{a7c706ea-0000-0000-0000-50e01f000000} Generic Read,Write Data,Write Attributes,Write extended,Append data
\device\namedpipe\dav rpc service Generic Read,Write Data,Write Attributes,Write extended,Append data
\device\namedpipe\gmdasllogger Generic Write,Read Attributes
\device\namedpipe\wkssvc Generic Read,Write Data,Write Attributes,Write extended,Append data
c: Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.1.regtrans-ms Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.2.regtrans-ms Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\downloads\42ee7128dda33182f8b1cc8ba6b08ef470166074_0001764864 Generic Write,Read Attributes
c:\users\user\downloads\479c97787d2e030fff7a562f74a66e69f05d7b38_0001764864 Generic Write,Read Attributes
Show More
c:\users\user\downloads\55d131635b3d3bcf19db4a3a36c79956b3a87615_0001993046 Generic Write,Read Attributes
c:\users\user\downloads\a6b7ab2f834891a7cfc20db477a92d9b8b27df69_0001764864 Generic Write,Read Attributes
c:\users\user\downloads\cbb7e5ee9b0b056b35bbcf8f233b3cbac1e26fed_0001764864 Generic Write,Read Attributes

Registry Modifications

Key::Value Data API Name
HKLM\software\classes\ghost:: Ghost image file RegNtPreCreateKey
HKLM\software\classes\ghost\shell\open\command:: c:\users\user\DOWNLO~1\D390C1~1 "%1" RegNtPreCreateKey
HKLM\software\classes\.gho:: Ghost RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\explorer\mountpoints2\##10.200.31.10#amas::_labelfromdesktopini RegNtPreCreateKey
HKLM\software\classes\ghost\shell\open\command:: c:\users\user\DOWNLO~1\CDBC30~1 "%1" RegNtPreCreateKey
HKLM\software\classes\ghost:: ????-????? Ghost RegNtPreCreateKey
HKLM\software\classes\ghost\shell\open\command:: c:\users\user\DOWNLO~1\F47707~1 "%1" RegNtPreCreateKey
HKLM\software\classes\ghost\shell\open\command:: c:\users\user\DOWNLO~1\EEA074~1 "%1" RegNtPreCreateKey

Windows API Usage

Category API
Anti Debug
  • OutputDebugString
Process Manipulation Evasion
  • ReadProcessMemory
Other Suspicious
  • SetWindowsHookEx
Service Control
  • OpenSCManager
  • OpenService
Keyboard Access
  • GetKeyState
User Data Access
  • GetUserObjectInformation

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