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youku_lyb.exe

优酷琅琊榜

上海硬通网络科技有限公司

The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from bbs.wan.youku.com.
Publisher:
优酷游戏中心  (signed by 上海硬通网络科技有限公司)

Product:
优酷琅琊榜

Description:
优酷琅琊榜 install

Version:
3.0.0.0

MD5:
f6c81902d55b1128fafbb287000bf906

SHA-1:
a23428a0501625cf1d979ec97d8c6149408f1856

SHA-256:
5fa33fde65fbcb4bf4f208154ff5db19cfe0589c4579a66196056bd67e9c121f

Scanner detections:
4 / 68

Status:
Inconclusive  (not enough data for an accurate detection)

Analysis date:
11/15/2024 2:31:06 PM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
PUA.Win32.Wews87
4.0.3.16614

Bkav FE
W32.HfsAdware
1.3.0.7383

ESET NOD32
Win32/Wews87.A potentially unwanted (variant)
10.12637

IKARUS anti.virus
PUA.Wews87
t3scan.1.9.5.0

File size:
668.9 KB (685,000 bytes)

Copyright:
优酷游戏中心

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Chinese (Simplified, China)

Common path:
C:\users\{user}\downloads\youku_lyb.exe

Digital Signature
Signed by:
上海硬通网络科技有限公司

Authority:
WoSign CA Limited

Valid from:
5/19/2014 3:14:01 PM

Valid to:
5/21/2017 3:14:01 PM

Subject:
CN=上海硬通网络科技有限公司, E=it@37.com, O=上海硬通网络科技有限公司, L=上海市, S=上海市, C=CN

Issuer:
CN=WoSign Class 3 Code Signing CA, O=WoSign CA Limited, C=CN

Serial number:
7F19065C97804BFD1D9BCCA8D63A10D0

File PE Metadata
Compilation timestamp:
12/6/2009 6:50:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:n78DrKuora6AQS6wZjWsb1oUGx87uF1E1fgv+n+iH:n7CrVIS7ZjN63JF1y4v+nDH

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.9308

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

http://bbs.wan.youku.com/static/.../youku_lyb.exe

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