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31991xdph.exe

Yuanyuan Zhang

The application 31991xdph.exe by Yuanyuan Zhang 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 Zhang  (signed and verified)

MD5:
cb52aa8176e4d508b2c159abbbab3463

SHA-1:
2ff92442893612c27f466bf778629f05dd4c7c53

SHA-256:
f55f806bf9f43c26702553de931bb6aec1d5801d453f64a459ecc183056f4af2

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
1/1/2026 8:54:03 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Mutahba (M)
17.1.3.7

File size:
416.5 KB (426,464 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\31991xdph.exe

Digital Signature
Signed by:
Yuanyuan Zhang

Authority:
thawte, Inc.

Valid from:
12/26/2016 2:00:00 AM

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

Subject:
CN=Yuanyuan Zhang, 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:
1F906F45C133FECE2FF0DB98FBD21764

File PE Metadata
Compilation timestamp:
12/26/2016 4:03:08 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x15D6

Entry point:
E8, 33, 13, 00, 00, E9, E2, AA, 00, 00, 55, 8B, EC, 56, 8B, 75, 08, 83, FE, E0, 77, 6F, 53, 57, A1, 1C, 6E, 46, 00, 85, C0, 75, 1D, E8, C2, 65, 00, 00, 6A, 1E, E8, 48, 2B, 00, 00, 68, FF, 00, 00, 00, E8, 88, 00, 00, 00, A1, 1C, 6E, 46, 00, 59, 59, 85, F6, 74, 04, 8B, CE, EB, 03, 33, C9, 41, 51, 6A, 00, 50, FF, 15, 44, E0, 45, 00, 8B, F8, 85, FF, 75, 26, 6A, 0C, 5B, 39, 05, 18, 6E, 46, 00, 74, 0D, 56, E8, 5C, 32, 00, 00, 59, 85, C0, 75, A9, EB, 07, E8, 9A, 4B, 00, 00, 89, 18, E8, 93, 4B, 00, 00, 89, 18, 8B...
 
[+]

Code size:
370.5 KB (379,392 bytes)

The file 31991xdph.exe has been seen being distributed by the following URL.

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

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