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prekaing.dll

Ding Ruan

The module prekaing.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:
b0ddf9a1825b30905e4ffadc12f97592

SHA-1:
df6721b0ecf6a5a8eb9388b4423cfe0ca5bd5e0d

SHA-256:
49319c36d8cd948cd595cc21196f2511d92fc928aedb9fcf1577bdd17c8940de

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
7/31/2025 1:43:25 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX (M)
16.8.6.3

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\prekaing.dll

Digital Signature
Signed by:
Ding Ruan

Authority:
thawte, Inc.

Valid from:
7/26/2016 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:
7064C7E0633892FEC3CE2C65A87C2033

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

COM registered:
Yes

File PE Metadata
Compilation timestamp:
8/3/2016 1:46:52 PM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:Qb81iPU9gFVVsdNKTPTUzbI1uCnXNQuHNaAUJ4WZNTBq4BzhDbiEmTOdXQ:Qb81iPUWF7hUOGuta9J4ATs4A

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, 4F, 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:
6.2061

Code size:
174.5 KB (178,688 bytes)

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


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