yacffdd.exe

Chencheng Cai

The application yacffdd.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:
b89095926201939a6537cdec93157515

SHA-1:
f7eb2d1bd93320ce69106426400ad99276ef4042

SHA-256:
c790c8f5701e822af1afbbcb87311fe176e964deeedc7701c9d2eb1433b817c5

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/5/2024 7:11:09 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX (M)
16.11.11.7

File size:
2.4 MB (2,494,464 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:

Authority:
thawte, Inc.

Valid from:
9/12/2016 7:00:00 AM

Valid to:
1/18/2017 6:59:59 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:
7BA6E3663709F53FDC5CC9B998626C04

File PE Metadata
Compilation timestamp:
9/6/2016 1:16:37 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:pfN1NKRji7BBkgLUEwGITeFuNbjj6OxkM6QvlzkG+jVXhFRNZshKtHMP:pFyji7LkBzR1NbaikM6Q9zf+oqHM

Entry address:
0x12857

Entry point:
E8, B8, 8B, 00, 00, E9, 7F, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 57, 56, 8B, 74, 24, 10, 8B, 4C, 24, 14, 8B, 7C, 24, 0C, 8B, C1, 8B, D1, 03, C6, 3B, FE, 76, 08, 3B, F8, 0F, 82, 68, 03, 00, 00, 0F, BA, 25, 00, 55, 43, 00, 01, 73, 07, F3, A4, E9, 17, 03, 00, 00, 81, F9, 80, 00, 00, 00, 0F, 82, CE, 01, 00, 00, 8B, C7, 33, C6, A9, 0F, 00, 00, 00, 75, 0E, 0F, BA, 25, 38, 38, 43, 00, 01, 0F, 82, DA, 04, 00, 00, 0F, BA, 25, 00, 55, 43, 00, 00, 0F, 83, A7, 01, 00, 00, F7, C7, 03...
 
[+]

Entropy:
0.9020

Code size:
156.5 KB (160,256 bytes)

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