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cos_ay.exe

Yu Bao

The application cos_ay.exe by Yu Bao has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Yu Bao  (signed and verified)

Version:
201606241130

MD5:
6e8315089f2a3dd070537dbdeb0a39b5

SHA-1:
833a6dab29d69ab5e9ea3e90b3153ce7f40fda11

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/6/2025 6:44:21 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.YuBao (M)
16.6.24.14

File size:
385.8 KB (395,008 bytes)

Product version:
201606241130

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Digital Signature
Signed by:
Yu Bao

Authority:
thawte, Inc.

Valid from:
6/16/2016 2:00:00 AM

Valid to:
1/22/2017 12:59:59 AM

Subject:
CN=Yu Bao, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
6C7BFE9C26693D30D2553073CF4026B8

File PE Metadata
Compilation timestamp:
6/24/2016 5:45:27 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:pQG2eY5qHPO55nAC7yoS1LDdlUwWbniO8jx+gEcAOBsSwp:pQG2eY5SI5nACU1TUfLPgEROBYp

Entry address:
0x2DF3B

Entry point:
E8, FB, 9B, 00, 00, E9, 7F, FE, FF, FF, 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, 2C, 08, 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, 68, E4, 45, 00, 01, 0F, 82, 10, A1, 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...
 
[+]

Code size:
304 KB (311,296 bytes)

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