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appmgr.bak

LemurLeap

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file appmgr.bak by LemurLeap has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
LemurLeap  (signed and verified)

Version:
1.0.5667.38641

MD5:
8b0e741d6641bd6a72f3cfdc9ac1fe09

SHA-1:
da5faeddb61a7c5a27af9b3ff8714f031d0d5506

SHA-256:
95690b7cce05a41c9681dbd5924e8cd7a58cbfd7c8e4573b900a01c172707d4b

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:
4/25/2024 4:51:57 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.8.3

File size:
471.8 KB (483,104 bytes)

Product version:
1.0.5667.38641

Language:
English (United States)

Common path:
C:\ProgramData\appmgr3.62.014363\appmgr.bak

Digital Signature
Signed by:
LemurLeap

Authority:
VeriSign, Inc.

Valid from:
8/13/2013 1:00:00 AM

Valid to:
8/14/2015 12:59:59 AM

Subject:
CN=LemurLeap, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=LemurLeap, L=San Diego, 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:
59846B2F05AAAD396A7E942BF33F16B3

File PE Metadata
Compilation timestamp:
7/9/2015 5:28:14 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0x1FA40

Entry point:
E8, D1, EC, 00, 00, E9, 7F, FE, FF, FF, 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, 50, 87, 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, 30, 3B, 46, 00, 01, 0F, 82, 06, EE, 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, C1, 8B, CA, 83, E2, 03...
 
[+]

Code size:
313 KB (320,512 bytes)

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