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uwk.dll

Ding Ruan

The module uwk.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:
cb4c97da91a311aae7c2630246a98f43

SHA-1:
c5df7b4c5387da3279e3656187bcd7adc40b87a7

SHA-256:
935c0d2bba4f648bccdd44283db66cf661e0bec68c8d3446544f96dfb94d1f91

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
5/14/2025 2:04:45 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX (M)
16.7.26.6

File size:
367.2 KB (376,032 bytes)

File type:
Dynamic link library (Win64 DLL)

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

Digital Signature
Signed by:
Ding Ruan

Authority:
thawte, Inc.

Valid from:
7/20/2016 5:30:00 AM

Valid to:
4/14/2017 5:29:59 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:
777840C22919E252711C0603AD83F622

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

COM registered:
Yes

File PE Metadata
Compilation timestamp:
7/25/2016 1:41:39 PM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:giaGi5VTCx/y2ViT0BqPPMc4x5R7HwnbqhqEEljMsYTBqHROaiEmTi+d2:giaGi5VTCsPl4SbEEljMVTsHW72

Entry address:
0xAEE8

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, 47, 55, 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, 5C, A8, 04, 00, 75, 07, 33, C0, E9, D2, 00, 00, 00, 8D, 43, FF...
 
[+]

Entropy:
6.2057

Code size:
174.5 KB (178,688 bytes)

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


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