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yacaaa.exe

Chencheng Cai

The application yacaaa.exe by Chencheng Cai 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:
Chencheng Cai  (signed and verified)

MD5:
62024f3bc3ffc15fd552556057472fc1

SHA-1:
0487be667405d53c670575c739933b6dca0dae94

SHA-256:
569646f329fefee56377a62d67075ba29472b5f9e8832937eec94617472f5cac

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/25/2024 2:54:57 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX (M)
17.2.19.16

File size:
3.4 MB (3,606,648 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\tools\yacaaa.exe

Digital Signature
Signed by:
Chencheng Cai

Authority:
thawte, Inc.

Valid from:
9/6/2016 6:00:00 AM

Valid to:
1/18/2017 5:59:59 AM

Subject:
CN=Chencheng Cai, 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:
7860A83B859E8C8095F89E1A77083EA6

File PE Metadata
Compilation timestamp:
9/6/2016 12:15:20 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0x12B37

Entry point:
E8, 38, 6C, 00, 00, E9, 7F, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 4C, 24, 04, F7, C1, 03, 00, 00, 00, 74, 24, 8A, 01, 83, C1, 01, 84, C0, 74, 4E, F7, C1, 03, 00, 00, 00, 75, EF, 05, 00, 00, 00, 00, 8D, A4, 24, 00, 00, 00, 00, 8D, A4, 24, 00, 00, 00, 00, 8B, 01, BA, FF, FE, FE, 7E, 03, D0, 83, F0, FF, 33, C2, 83, C1, 04, A9, 00, 01, 01, 81, 74, E8, 8B, 41, FC, 84, C0, 74, 32, 84, E4, 74, 24, A9, 00, 00, FF, 00, 74, 13, A9, 00, 00, 00, FF, 74, 02, EB, CD, 8D, 41, FF, 8B...
 
[+]

Entropy:
0.6357

Code size:
148.5 KB (152,064 bytes)

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