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yomz.exe

Yuanyuan Mei

The application yomz.exe by Yuanyuan Mei has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup program which is used to install the application. The file has been seen being downloaded from dgkytklfjrqkb.cloudfront.net.
Publisher:
Yuanyuan Mei  (signed and verified)

MD5:
6255d090e31f67642748a95d704d30bd

SHA-1:
3b3e6c3a35b5eca3c74e8887be29bd56c646d2eb

SHA-256:
c0021ad81acd804d7e3e573178997ec2e2f432665d5b981dc1b24594a871df9d

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 12:17:05 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Elex.Yuanyuan (M)
16.8.20.17

File size:
450.3 KB (461,096 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\yomz.exe

Digital Signature
Signed by:
Yuanyuan Mei

Authority:
thawte, Inc.

Valid from:
8/18/2016 3:00:00 AM

Valid to:
4/21/2017 2:59:59 AM

Subject:
CN=Yuanyuan Mei, 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:
7D92FB84FC4339F548AEAF1B0A921F9B

File PE Metadata
Compilation timestamp:
8/20/2016 5:56:03 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:pr3R4l1tXSU8jggFgtOln0vZEZY58dqC6PSWK+r5L9YAtG0gmg5T//N6:d3R8rS8tChsHPSWKwNaAtlRe/N6

Entry address:
0x5B90

Entry point:
E8, 4E, 32, 00, 00, E9, 7F, FE, FF, FF, 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, FC, A6, 41, 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, 88, 91, 41, 00, 01, 0F, 82, DA, 04, 00, 00, 0F, BA, 25, FC, A6, 41, 00, 00, 0F, 83, A7, 01, 00, 00, F7, C7, 03, 00, 00, 00, 0F, 85, B8, 01, 00, 00...
 
[+]

Entropy:
7.8268  (probably packed)

Code size:
65.5 KB (67,072 bytes)

The file yomz.exe has been seen being distributed by the following URL.

http://dgkytklfjrqkb.cloudfront.net/.../yomz.exe

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