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libwinhook.dll

Wajamu

The file is part of Wajam, a web browser extension that injects social search integration into various search portals such as Google. The module libwinhook.dll by Wajamu has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Wajamu  (signed and verified)

MD5:
e3a30f4440a0587da28b409709c9e262

SHA-1:
5bd8f0bf3fb7d22deab4900a8d65be119ecdb195

SHA-256:
36c099d06b6b10b5e7a7abc02cd8f846f77d3da95b69ee97176df510955e9a67

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
12/24/2024 4:59:16 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Wajam (M)
16.8.3.4

File size:
85.8 KB (87,840 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\playzy\libwinhook.dll

Digital Signature
Signed by:
Wajamu

Authority:
Thawte, Inc.

Valid from:
8/25/2013 9:00:00 PM

Valid to:
8/26/2014 8:59:59 PM

Subject:
CN=Wajamu, O=Wajamu, L=Herzlia, S=Israel, C=IL

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
254859747F512412BB92CB81D0C020A7

File PE Metadata
Compilation timestamp:
7/2/2014 6:00:39 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
768:9BQKEj1ZXN7CI7akY8yMMFqe38/0xs0mIONKZcHkBa7XsWjcdUWQQqlUaiU31BJH:9iGyyMMFvEAcEcDsWjcdUX7+gTHt8d1K

Entry address:
0x2AD6

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 97, 1B, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 0C, 68, F8, 07, 01, 10, E8, 1B, 0C, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 40, 2F, 01, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, C4, B1, 00, 10, 85, C9, 74, 0C, FF, 75, 10, 56, FF, 75, 08, FF, D1, 89, 45, E4, 85, C0, 0F, 84, B1, 00, 00, 00, FF, 75, 10, 56, FF, 75, 08, E8, 11, FE, FF, FF, 89, 45, E4...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
36.5 KB (37,376 bytes)

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