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cydownloader.exe

畅游下载器

Beijing AmazGame Age Internet Technology Co., Ltd.

The application cydownloader.exe by Beijing AmazGame Age Internet Technology Co. has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup program which is used to install the application. The file has been seen being downloaded from mon.changyou.com.
Publisher:
畅游天下  (signed by Beijing AmazGame Age Internet Technology Co., Ltd.)

Product:
畅游下载器

Description:
CYDownloader

Version:
1.0.0.49267

MD5:
c5847e833498ce6c652e1e615301fa37

SHA-1:
37f017f8332030b0d9749f3953686f46207d5945

SHA-256:
1155a26be833c2bec2eae23bdde45560a897e3705fdb5f3d6bc71a9133bf332c

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/24/2024 3:35:03 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Optional.BeijingA
16.7.8.2

File size:
1.3 MB (1,310,912 bytes)

Product version:
1.0.0.49267

Copyright:
Copyright (C) 2013

Original file name:
CYDownlo.exe

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Beijing AmazGame Age Internet Technology Co., Ltd.

Authority:
VeriSign, Inc.

Valid from:
3/16/2012 8:00:00 AM

Valid to:
6/16/2015 7:59:59 AM

Subject:
CN="Beijing AmazGame Age Internet Technology Co., Ltd.", OU=Digital ID Class 3 - Microsoft Software Validation v2, O="Beijing AmazGame Age Internet Technology Co., Ltd.", L=Beijing, S=Beijing, C=CN

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
22CF7DA7B76FC5C4E77225CFA1BDA497

File PE Metadata
Compilation timestamp:
11/18/2013 2:15:09 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:l4VkkBm7T6Gs+RvVfcZvxL+4KDvcktqKz5new2CZopSbpZj1rhNMAgKCRX8WKQgc:yVkkCT1xNWvEL0s1lew4pS9MAg1rtgc

Entry address:
0x35BC10

Entry point:
60, BE, 00, 50, 63, 00, 8D, BE, 00, C0, DC, FF, C7, 87, 28, 02, 2D, 00, DB, 4C, 4A, 1B, 57, 83, CD, FF, EB, 0E, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46...
 
[+]

Entropy:
7.8301

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.22 (Delphi) stub

Code size:
1.2 MB (1,208,320 bytes)

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

http://mon.changyou.com/download.html?entrance_id=85&product_id=35&file=http://ldjp2p.changyou.com/CYDownloader/.../CYDownloader.exe

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