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umatain.dll

Ding Ruan

The module umatain.dll by Ding Ruan 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:
Ding Ruan  (signed and verified)

MD5:
4215cfa9308820978fd66aa99fc3312c

SHA-1:
783de6fb9358f442d3da74a7d98dba7d92fabe46

SHA-256:
abaa9ab56d88b072dcc6af7add69e7e63731a934460ab6cb81c965a544d8c5bc

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
7/15/2025 7:48:45 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX.DingRuan (M)
16.6.10.16

File size:
408.2 KB (417,976 bytes)

File type:
Dynamic link library (Win64 DLL)

Common path:
C:\users\{user}\appdata\roaming\microsoft\windows\cookies\umatain.dll

Digital Signature
Signed by:
Ding Ruan

Authority:
thawte, Inc.

Valid from:
6/9/2016 7:00:00 AM

Valid to:
4/14/2017 6:59:59 AM

Subject:
CN=Ding Ruan, 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:
432C582AB6D07BC4661584D14E60CC14

Registration
CLSID:
{98C066AB-D735-4339-9E52-A34875141B56}

COM registered:
Yes

File PE Metadata
Compilation timestamp:
6/7/2016 9:43:24 AM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:3f/xmAJAlfHxNEcDz+Md7napOf6bTsyzz2Qik33:PpmAJAlfdDz+m+pOfcTJ5im

Entry address:
0x12BBC

Entry point:
48, 89, 5C, 24, 08, 48, 89, 74, 24, 10, 57, 48, 83, EC, 20, 49, 8B, F8, 8B, DA, 48, 8B, F1, 83, FA, 01, 75, 05, E8, B7, 68, 00, 00, 4C, 8B, C7, 8B, D3, 48, 8B, CE, 48, 8B, 5C, 24, 30, 48, 8B, 74, 24, 38, 48, 83, C4, 20, 5F, E9, 03, 00, 00, 00, CC, CC, CC, 48, 8B, C4, 48, 89, 58, 20, 4C, 89, 40, 18, 89, 50, 10, 48, 89, 48, 08, 56, 57, 41, 56, 48, 83, EC, 50, 49, 8B, F0, 8B, DA, 4C, 8B, F1, BA, 01, 00, 00, 00, 89, 50, B8, 85, DB, 75, 0F, 39, 1D, 68, CC, 04, 00, 75, 07, 33, C0, E9, D2, 00, 00, 00, 8D, 43, FF...
 
[+]

Entropy:
6.2355

Code size:
206.5 KB (211,456 bytes)

Shell Execute Hook
Name:
{98C066AB-D735-4339-9E52-A34875141B56}


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