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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 41.223.201.248 and multiple other hosts.
Publisher:
Yuanyuan Mei  (signed and verified)

MD5:
0936d6b6e0e69d673a1b16e1dce81065

SHA-1:
3c0034b6a6c8792abad90722212759142e95d090

SHA-256:
a6a638629ec8522e0ecb3eafb426dfc0382ebdf6f88fb1d64316efb49664ed7d

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
10/7/2025 9:16:39 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Elex (M)
16.8.19.0

File size:
440.8 KB (451,400 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\yomz.exe

Digital Signature
Signed by:
Yuanyuan Mei

Authority:
thawte, Inc.

Valid from:
8/16/2016 2:00:00 AM

Valid to:
4/21/2017 1:59:59 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:
26F8E03271811A3819E7143F524188F4

File PE Metadata
Compilation timestamp:
8/17/2016 2:08:59 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:JLGG/2p0jpkkdR1gwJMrdTSp4CC9CCkCCCCCCtYY0WYSN+YSNko49k6RNm:J9Op0l9gwJMrdTSJlYI+YIf4C6RNm

Entry address:
0x3960

Entry point:
E8, 0E, 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, 86, 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, 71, 41, 00, 01, 0F, 82, DA, 04, 00, 00, 0F, BA, 25, FC, 86, 41, 00, 00, 0F, 83, A7, 01, 00, 00, F7, C7, 03, 00, 00, 00, 0F, 85, B8, 01, 00, 00...
 
[+]

Code size:
57 KB (58,368 bytes)

The file yomz.exe has been seen being distributed by the following 4 URLs.

http://41.223.201.248:801/.../yomz.exe

http://113.171.224.168/.../yomz.exe

http://113.171.224.208/.../yomz.exe

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

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