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youkuclient_setup_5.3.1.3050.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 hz.youku.com.
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:
5.3.1.3050

MD5:
7ee426541cd61d3d6470a332abf5dd69

SHA-1:
a0c5888cdd5eea48e686fa5b4bd9b56c24256cbc

SHA-256:
0f30cca04135e50cd209285ecbaf98f9bb550f8f4dccdc2dda8f8a988f1121f6

Scanner detections:
2 / 68

Status:
Clean  (2 probable false positive detections)

Explanation:
These detections are probably false positives (erroneous), the file is probably malware free.

Analysis date:
4/26/2024 4:27:08 PM UTC  (today)

Scan engine
Detection
Engine version

Clam AntiVirus
Win.Worm.Chir-1585
0.98/21511

IKARUS anti.virus
Worm.Win32.Downadup
t3scan.1.9.5.0

File size:
24 MB (25,200,496 bytes)

Product version:
5.3.1.3050

Copyright:
Youku.com All rights reserved.

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\youkuclient_setup_5.3.1.3050.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):
393216:4OWxKfhKf5ps5ttK2pqw1qhdBGkJ12FDjZlmMPPGuR0bdW0bp85rsnT:dWMfq5pSKhdBGkUjjGuRArapsnT

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_5.3.1.3050.exe has been seen being distributed by the following URL.

http://hz.youku.com/red/click.php?tp=1&cp=4007566&cpp=1000673&url= http://desktop.youku.com/.../youkuclient_setup_5.3.1.3050.exe

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