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youkuclient_setup_5.3.1.1212.exe

YouKu Client setup

合一网络技术（北京）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 desktop.youku.com and multiple other hosts.
Publisher:
youkutudou, Inc.  (signed by 合一网络技术（北京）有限公司)

Product:
YouKu Client setup

Description:
Youku Client

Version:
5.3.1.1212

MD5:
0fc0bc8af451930d523054248b1629d1

SHA-1:
7b0c19b9cb36899e456e89ad0765a0be659c1aa4

SHA-256:
5163aa481b83a0a177cc51b0ec014661dc879ac9fe6a78ec1d5f61feedcc687c

Scanner detections:
1 / 68

Status:
Clean  (1 probable false positive detection)

Explanation:
This is mosty likely a false positive detection, the file is probably clean.

Analysis date:
5/5/2024 3:00:23 AM UTC  (today)

Scan engine
Detection
Engine version

Trend Micro House Call
Suspicious_GEN.F47V0122
7.2.26

File size:
24 MB (25,195,888 bytes)

Product version:
5.3.1.1212

Copyright:
Youku.com All rights reserved.

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\youkuclient_setup_5.3.1.1212.exe

Digital Signature
Signed by:
合一网络技术（北京）有限公司

Authority:
WoSign CA Limited

Valid from:
10/28/2014 10:06:18 AM

Valid to:
12/28/2017 10:06:18 AM

Subject:
CN=合一网络技术（北京）有限公司, O=合一网络技术（北京）有限公司, L=北京市, S=北京市, C=CN

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

Serial number:
40EF586FBA659C864B6EA6EBBD114A16

File PE Metadata
Compilation timestamp:
2/25/2012 3:19:59 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
786432:a+ybA9pgMX3GeOUKVy5XphHsHtOnVAz4XXJ:NrPNnG1QZX8OV6KXJ

Entry address:
0x39E3

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Entropy:
7.9994

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file youkuclient_setup_5.3.1.1212.exe has been seen being distributed by the following 2 URLs.

http://desktop.youku.com/.../youkuclient_setup_5.3.1.1212.exe

http://hz.youku.com/red/click.php?tp=1&cp=4007566&cpp=1000673&url= http://desktop.youku.com/.../youkuclient_setup_5.3.1.1212.exe

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