| File name: | bf_updater_installer.exe |
| Full analysis: | https://app.any.run/tasks/d06cc7f0-1824-489a-9bd3-065f8726a43a |
| Verdict: | Malicious activity |
| Analysis date: | March 30, 2025, 17:33:43 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive, 5 sections |
| MD5: | 2D96E745C2F834D69608CBFC67EF883E |
| SHA1: | A5A521D9B37281C7F84A8CE509F30FD1EEA45714 |
| SHA256: | 1E25D0F4C05582228EB301043CADC3B4A316878382F600D12466EFAA72517B0C |
| SSDEEP: | 98304:MAXWrynDZSEgf8K1qRGIu1XH2qy51xXWuknpumIGsHvAhZRi4iyLP044N/ZhUqoH:ky5XP0FkbwJPm |
| .exe | | | Win32 Executable MS Visual C++ (generic) (67.4) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (14.2) |
| .exe | | | Win32 Executable (generic) (9.7) |
| .exe | | | Generic Win/DOS Executable (4.3) |
| .exe | | | DOS Executable Generic (4.3) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2016:12:11 21:50:38+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 24064 |
| InitializedDataSize: | 118272 |
| UninitializedDataSize: | 1024 |
| EntryPoint: | 0x316d |
| OSVersion: | 4 |
| ImageVersion: | 6 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 3.14.0.10 |
| ProductVersionNumber: | 3.14.0.10 |
| FileFlagsMask: | 0x0000 |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Windows, Latin1 |
| Comments: | ByteFence Anti-Malware |
| CompanyName: | Byte Technologies LLC |
| FileDescription: | ByteFence Anti-Malware |
| FileVersion: | 3.14.0.10 |
| LegalCopyright: | Copyright © 2017 Byte Technologies LLC |
| LegalTrademarks: | ByteFence Anti-Malware is a trademark of Byte Technologies LLC |
| ProductName: | ByteFence Anti-Malware |
| ProductVersion: | 3.14.0.10 |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 664 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | taskkill.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 920 | taskkill /f /im rsLggr.exe | C:\Windows\SysWOW64\taskkill.exe | — | bf_updater_installer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Terminates Processes Exit code: 128 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 960 | C:\WINDOWS\system32\WerFault.exe -u -p 5728 -s 3528 | C:\Windows\System32\WerFault.exe | — | ByteFence.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Problem Reporting Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1388 | "C:\Program Files\ByteFence\ByteFenceService.exe" | C:\Program Files\ByteFence\ByteFenceService.exe | — | services.exe | |||||||||||
User: SYSTEM Company: Byte Technologies LLC Integrity Level: SYSTEM Description: ByteFence Anti-Malware Version: 3.14.0.0 Modules
| |||||||||||||||
| 2340 | "C:\Program Files\ByteFence\rsLggr.exe" | C:\Program Files\ByteFence\rsLggr.exe | — | ByteFence.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 2984 | "C:\Program Files\ByteFence\rsEngineHelper.exe" dLDF url:http://cdn.bytefence.com/rtop_setup.exe filepath:"C:\Users\admin\AppData\Local\Temp\rtop_setup.exe" product:BF | C:\Program Files\ByteFence\rsEngineHelper.exe | — | ByteFence.exe | |||||||||||
User: admin Company: Reason Software Company Inc. Integrity Level: HIGH Description: Reason Security Engine Helper Exit code: 0 Version: 2.0.3.1 Modules
| |||||||||||||||
| 3300 | "C:\Program Files\ByteFence\rsLggr.exe" | C:\Program Files\ByteFence\rsLggr.exe | — | ByteFence.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 3956 | "C:\Program Files\ByteFence\rsLggr.exe" | C:\Program Files\ByteFence\rsLggr.exe | — | ByteFence.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 4268 | taskkill /f /im ByteFenceService.exe | C:\Windows\SysWOW64\taskkill.exe | — | bf_updater_installer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Terminates Processes Exit code: 128 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4452 | "C:\Program Files\ByteFence\ByteFenceService.exe" /i | C:\Program Files\ByteFence\ByteFenceService.exe | — | ByteFence.exe | |||||||||||
User: admin Company: Byte Technologies LLC Integrity Level: HIGH Description: ByteFence Anti-Malware Exit code: 0 Version: 3.14.0.0 Modules
| |||||||||||||||
| (PID) Process: | (6700) bf_updater_installer.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\ByteFence |
| Operation: | write | Name: | DisplayName |
Value: ByteFence Anti-Malware | |||
| (PID) Process: | (6700) bf_updater_installer.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\ByteFence |
| Operation: | write | Name: | UninstallString |
Value: "C:\Program Files\ByteFence\uninstall.exe" | |||
| (PID) Process: | (6700) bf_updater_installer.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\ByteFence |
| Operation: | write | Name: | Publisher |
Value: Byte Technologies LLC | |||
| (PID) Process: | (6700) bf_updater_installer.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\ByteFence |
| Operation: | write | Name: | InstallSource |
Value: C:\Program Files\ByteFence\ | |||
| (PID) Process: | (6700) bf_updater_installer.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\ByteFence |
| Operation: | write | Name: | DisplayVersion |
Value: 3.14.0.10 | |||
| (PID) Process: | (6700) bf_updater_installer.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\ByteFence |
| Operation: | write | Name: | DisplayIcon |
Value: C:\Program Files\ByteFence\Uninstall.exe | |||
| (PID) Process: | (6700) bf_updater_installer.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\ByteFence |
| Operation: | write | Name: | URLInfoAbout |
Value: https://www.bytefence.com | |||
| (PID) Process: | (6700) bf_updater_installer.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\ByteFence |
| Operation: | write | Name: | NoModify |
Value: 1 | |||
| (PID) Process: | (6700) bf_updater_installer.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\ByteFence |
| Operation: | write | Name: | NoRepair |
Value: 1 | |||
| (PID) Process: | (6700) bf_updater_installer.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\ByteFence |
| Operation: | write | Name: | PINSTP |
Value: | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6700 | bf_updater_installer.exe | C:\Users\admin\AppData\Local\Temp\nsyBFF7.tmp\nsDialogs.dll | executable | |
MD5:B3070CF20DB659FDFB3CB2ED38130E8D | SHA256:F2C1409FAF2952C1C91F4B5495158EF5C7D1A1DB6EEA4A18F163574BD52FCAD0 | |||
| 6700 | bf_updater_installer.exe | C:\Program Files\ByteFence\ByteFenceService.exe | executable | |
MD5:624E2BAB14C48D0C84EE265125811169 | SHA256:3B6A1DC1E3777B10A650276AD53D7A9601BEF28180EFF2F724B15CF254DF4893 | |||
| 6700 | bf_updater_installer.exe | C:\Program Files\ByteFence\ByteFence.exe | executable | |
MD5:61330D8ACBB7800E49E63BD411EF20AB | SHA256:68C3BD98CA647E3C51DAAFDAC7DCD5F60230E9C65E1789C4DB06C0C6FCB1ED48 | |||
| 6700 | bf_updater_installer.exe | C:\Users\admin\AppData\Local\Temp\nsyBFF7.tmp\nsExec.dll | executable | |
MD5:B5A1F9DC73E2944A388A61411BDD8C70 | SHA256:288100583F65A2B7ACFC0C7E231C0E268C58D3067675543F627C01E82F6FD884 | |||
| 6700 | bf_updater_installer.exe | C:\Users\admin\AppData\Local\Temp\nsyBFF7.tmp\nsisdl.dll | executable | |
MD5:41F557E065B405F94D0ECE8B5727233B | SHA256:9DE492995D2180635AA3194B88CE6DD94E0C2B001AF5952A73D4A84FBC32B6AB | |||
| 6700 | bf_updater_installer.exe | C:\Users\admin\AppData\Local\Temp\nsyBFF7.tmp\modern-wizard.bmp | image | |
MD5:0A3789BD73553A4E0F37022CF348653F | SHA256:282B94F02F605A667F0FC5C6DBDC6C9DDEB8048D811826FCF7E956ED263B7EE0 | |||
| 6700 | bf_updater_installer.exe | C:\Users\admin\AppData\Local\Temp\nsyBFF7.tmp\modern-header.bmp | image | |
MD5:47C5CD0B09846144FBA0DA4C044E894F | SHA256:5604F656590451D28D1653AD5C5D385FBA1DCE76B39C14F917C6AAAD08F96B89 | |||
| 6700 | bf_updater_installer.exe | C:\Program Files\ByteFence\Signatures.dat | text | |
MD5:B90608A91C7ECE463529962407C886A9 | SHA256:75FE2902AE5478AF45B2027B60B355DF1BD93ED52F396F361E41B9D8AEB66854 | |||
| 6700 | bf_updater_installer.exe | C:\Program Files\ByteFence\rsEngine.dll | executable | |
MD5:9A9D04211B81C88FBE36A3ADE45A7341 | SHA256:05914E3E3E9F84E76F4E9827BBB1927D2465E0D36D51B15F404CE4590BC7DF19 | |||
| 6700 | bf_updater_installer.exe | C:\Program Files\ByteFence\rsEngineHelper.exe.config | xml | |
MD5:E3D5F62B7B28176A510484E465FA0F18 | SHA256:827CDA24DF7876010D5239FE2B8AF49472442D899F9C0F6D9FF53B4FF6860946 | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 23.216.77.28:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
4220 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
4220 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
— | — | 23.216.77.28:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
— | — | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
2104 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
5728 | ByteFence.exe | 172.67.9.68:443 | api.reasonsecurity.com | CLOUDFLARENET | US | unknown |
4220 | SIHClient.exe | 4.245.163.56:443 | slscr.update.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
4220 | SIHClient.exe | 23.35.229.160:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
4220 | SIHClient.exe | 13.85.23.206:443 | fe3cr.delivery.mp.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
logs.bytefence.com |
| whitelisted |
api.reasonsecurity.com |
| unknown |
cdn.bytefence.com |
| shared |
slscr.update.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |