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yackk.exe

Dening Hu

The application yackk.exe by Dening Hu 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:
Dening Hu  (signed and verified)

MD5:
78ed3c4266fce679b6563e9ece7ae0c2

SHA-1:
2fcbd788c122848a1026515d1c846dd89f9bafce

SHA-256:
049eb3055654d2e23c7697f246b7ee93fe4caf905937b2fbc2a2863c1e64408c

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/24/2024 1:57:43 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Elex (M)
16.10.15.18

File size:
2.4 MB (2,499,800 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\ProgramData\chelfnotify\_sspm\yackk.exe

Digital Signature
Signed by:
Dening Hu

Authority:
thawte, Inc.

Valid from:
10/9/2016 5:00:00 PM

Valid to:
6/8/2017 4:59:59 PM

Subject:
CN=Dening Hu, 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:
7A2DF2BB7E9010EDF9FC306983C02B4D

File PE Metadata
Compilation timestamp:
10/9/2016 8:33:55 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:LaVu7lGpC7+CawSnfm4e8cXbMRCRiWiQIcU+3gJExZsxSH02ymPQ:La87lGU+JS8qvwWiQvUEYk021

Entry address:
0x12D67

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:
0.9238

Code size:
157.5 KB (161,280 bytes)

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