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appmgr.exe

gate snapper

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application appmgr.exe by gate snapper has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a separate (within the context of its own process) windows Service named “Application Manager 3.03.5079016”.
Publisher:
gate snapper  (signed and verified)

Version:
1.0.5777.18830

MD5:
423b47cc6adb507017963ab184337b45

SHA-1:
76d9ea5f439c29f3c597dbe4ac0754957e5b8659

SHA-256:
53adc59f5fcbac13c71592fc8a5b9cc52223340f1c759ba0d1308309d5f83ca6

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
1/15/2025 5:01:02 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.13.1

File size:
477.2 KB (488,696 bytes)

Product version:
1.0.5777.18830

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\appmgr3.03.5079016\appmgr.exe

Digital Signature
Signed by:
gate snapper

Authority:
VeriSign, Inc.

Valid from:
11/19/2014 6:00:00 PM

Valid to:
11/20/2015 5:59:59 PM

Subject:
CN=gate snapper, O=gate snapper, L=Santa Monica, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
133A7A0373BA5F8F11B450D044B92146

File PE Metadata
Compilation timestamp:
10/26/2015 11:27:49 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0x2083A

Entry point:
E8, C5, EB, 00, 00, E9, 7F, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 7F, 0F, B6, 44, 24, 08, 0F, BA, 25, 70, 99, 46, 00, 01, 73, 0D, 8B, 4C, 24, 0C, 57, 8B, 7C, 24, 08, F3, AA, EB, 5D, 8B, 54, 24, 0C, 81, FA, 80, 00, 00, 00, 7C, 0E, 0F, BA, 25, 40, 4B, 46, 00, 01, 0F, 82, F4, EC, 00, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03...
 
[+]

Code size:
317 KB (324,608 bytes)

Service
Display name:
Application Manager 3.03.5079016

Service name:
AppMgr3.03.5079016

Type:
Win32OwnProcess

Depends on:
RPCSS


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