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maintainer.exe

UpperFind

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

Version:
1.0.5698.38606

MD5:
0bb62cdcdf5c4c69dbcd27a8e55cd31a

SHA-1:
0a1e9b4c9b980f09db389ad5ae8c1f50022ee80b

SHA-256:
0ae20a94efc87e26a87ea1f3f3071e8692b3039f86e9b3ac3c06c6b1c4fea580

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:
5/20/2024 11:43:34 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.11.23.19

File size:
124.9 KB (127,912 bytes)

Product version:
1.0.5698.38606

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\7f7d19b6-420e-4988-a5c9-642bc33d3a26\maintainer.exe

Digital Signature
Signed by:
UpperFind

Authority:
Symantec Corporation

Valid from:
7/15/2015 9:00:00 PM

Valid to:
9/13/2016 8:59:59 PM

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

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
30FD71FDC67AB01DA120C1E3EFFD9828

File PE Metadata
Compilation timestamp:
8/9/2015 1:26:57 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:JD1Ll2ZpujSiZF4gusym2UG0IHhxDOA9Vck:JBVDFHpKuA/j

Entry address:
0x9872

Entry point:
E8, 75, 62, 00, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A1, 68, C2, 41, 00, 33, C5, 89, 45, FC, 83, 7D, 08, FF, 57, 74, 09, FF, 75, 08, E8, 59, 50, 00, 00, 59, 83, A5, E0, FC, FF, FF, 00, 6A, 4C, 8D, 85, E4, FC, FF, FF, 6A, 00, 50, E8, 7A, F3, FF, FF, 8D, 85, E0, FC, FF, FF, 89, 85, D8, FC, FF, FF, 8D, 85, 30, FD, FF, FF, 83, C4, 0C, 89, 85, DC, FC, FF, FF, 89, 85, E0, FD, FF, FF, 89, 8D, DC, FD, FF, FF, 89, 95, D8, FD, FF, FF, 89, 9D, D4, FD, FF, FF, 89, B5, D0, FD, FF, FF, 89, BD, CC...
 
[+]

Code size:
72.5 KB (74,240 bytes)

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