Threat Database Worms Worm.Banker.af

Worm.Banker.af

By SpideyMan in Worms

Threat Scorecard

Popularity Rank: 19,765
Threat Level: 80 % (High)
Infected Computers: 6,147
First Seen: July 24, 2009
Last Seen: January 31, 2026
OS(es) Affected: Windows

Worm.Banker.af is a vicious computer worm infection that has the ability to modify and take-over computer functions. Worm.Banker.af is able to create a backdoor in which outside attackers can use to infiltrate your system. Worm.Banker.af can give a hacker access to personal data stored on your hard drive. Worm.Banker.af is also called Worm/Banker.B.1, Banker.worm.af, PWS-Banker and Banker.af.Banker.worm.

Aliases

4 security vendors flagged this file as malicious.

Antivirus Vendor Detection
Sophos Mal/Emogen-K
Panda Trj/Banker.LIN
F-Secure IM-Worm.Win32.Banker.af
AntiVir HEUR/Malware

SpyHunter Detects & Remove Worm.Banker.af

File System Details

Worm.Banker.af may create the following file(s):
# File Name MD5 Detections
1. sgrndman32.exe 83c3303fe6bb34655c7e0c1395ee58d6 0

Analysis Report

General information

Family Name: Trojan.Danabot.DD
Signature status: No Signature

Known Samples

MD5: 9eb58bda85f7fb02f2cf7a2ee45a1dc6
SHA1: 13c633add14c99b6ca3ccddf84fe8d8222623a30
SHA256: A40AC79E163E4A169209573E0FCDD3E4851AC68DB662B8DB2D523DFF7C716D4F
File Size: 1.48 MB, 1476624 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have debug information
  • File doesn't have security information
  • File has exports table
  • 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 Traits

  • 2+ executable sections
  • dll
  • ntdll
  • VirtualQueryEx
  • WriteProcessMemory
  • x86

Block Information

Total Blocks: 3,257
Potentially Malicious Blocks: 24
Whitelisted Blocks: 2,859
Unknown Blocks: 374

Visual Map

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

Similar Families

  • Danabot.L
  • Delf.NL
  • Guildma.D
  • Injector.FZ
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Show More
  • Ponteiro.E

Files Modified

File Attributes
\device\namedpipe\gmdasllogger Generic Write,Read Attributes
c:\programdata\b384ff90 Synchronize,Write Attributes
c:\programdata\b384ff90\991a8995 Synchronize,Write Attributes
c:\programdata\b384ff90\9e8c8d6d Synchronize,Write Attributes

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtQueryAttributesFile
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  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationFile
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWriteFile
Process Manipulation Evasion
  • NtUnmapViewOfSection
Process Shell Execute
  • CreateProcess
Anti Debug
  • NtQuerySystemInformation
Encryption Used
  • BCryptOpenAlgorithmProvider

Shell Command Execution

C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\13c633add14c99b6ca3ccddf84fe8d8222623a30_0001476624.,LiQMAxHB

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