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ucbrowser_v6.0.1308.1011_4616_(build1701051433)_(en-us)_online_installer.exe

UC Browser

TAOBAO (CHINA) SOFTWARE CO.,LTD.

The application ucbrowser_v6.0.1308.1011_4616_(build1701051433)_(en-us)_online_installer.exe, “UCBrowser Online Installer” by TAOBAO (CHINA) SOFTWARE CO.,LTD has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The file has been seen being downloaded from umcdnpc.ucweb.com and multiple other hosts.
Publisher:
UCWeb Inc.  (signed by TAOBAO (CHINA) SOFTWARE CO.,LTD.)

Product:
UC Browser

Description:
UCBrowser Online Installer

Version:
1.0.0.0

MD5:
023b51625c7e3ced75d14fbd3beaa710

SHA-1:
447f35825337fdb1c473a77f1cd59e688398ae7d

SHA-256:
7b4c19663bed7c52921fed57b8b7a7f9456ec1cc4a11e2f47facfb9804857c56

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 1:23:39 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Taobao (L)
17.1.5.12

File size:
1.2 MB (1,308,048 bytes)

Product version:
1.0.0.0

Copyright:
Copyright 2008-2014 UCWeb Inc. All rights reserved.

File type:
Executable application (Win32 EXE)

Language:
Chinese (Simplified, PRC)

Common path:
C:\users\{user}\downloads\ucbrowser_v6.0.1308.1011_4616_(build1701051433)_(en-us)_online_installer.exe

Digital Signature
Signed by:
TAOBAO (CHINA) SOFTWARE CO.,LTD.

Authority:
VeriSign, Inc.

Valid from:
6/16/2016 5:00:00 AM

Valid to:
7/15/2018 4:59:59 AM

Subject:
CN="TAOBAO (CHINA) SOFTWARE CO.,LTD.", OU=RDC, O="TAOBAO (CHINA) SOFTWARE CO.,LTD.", L=Hangzhou, S=Zhejiang, 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:
780A0032A6CE7D0B5D5452F5CDE520DC

File PE Metadata
Compilation timestamp:
1/5/2017 8:49:11 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

Entry address:
0x89963

Entry point:
E8, 55, 09, 00, 00, E9, 8E, FE, FF, FF, 3B, 0D, F4, 22, 4D, 00, F2, 75, 02, F2, C3, F2, E9, 28, 00, 00, 00, 55, 8B, EC, 6A, 00, FF, 15, 0C, 13, 4B, 00, FF, 75, 08, FF, 15, E0, 10, 4B, 00, 68, 09, 04, 00, C0, FF, 15, 44, 11, 4B, 00, 50, FF, 15, 64, 12, 4B, 00, 5D, C3, 55, 8B, EC, 81, EC, 24, 03, 00, 00, 6A, 17, E8, EE, 50, 02, 00, 85, C0, 74, 05, 6A, 02, 59, CD, 29, A3, 98, 85, 4D, 00, 89, 0D, 94, 85, 4D, 00, 89, 15, 90, 85, 4D, 00, 89, 1D, 8C, 85, 4D, 00, 89, 35, 88, 85, 4D, 00, 89, 3D, 84, 85, 4D, 00, 66...
 
[+]

Entropy:
6.8695

Code size:
700.5 KB (717,312 bytes)

The file ucbrowser_v6.0.1308.1011_4616_(build1701051433)_(en-us)_online_installer.exe has been seen being distributed by the following 2 URLs.

http://umcdnpc.ucweb.com/down/i18n/35151/.../UCBrowser_V6.0.1308.1011_4616_(Build1701051433)_(en-us)_online_installer.exe

http://down2.uc.cn/.../down.php?id=101&pid=4616&type=online_installer

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to unknown.telstraglobal.net  (202.127.76.238:80)

TCP (HTTP):
Connects to a23-62-6-177.deploy.static.akamaitechnologies.com  (23.62.6.177:80)

TCP (HTTP):
Connects to a23-10-249-34.deploy.static.akamaitechnologies.com  (23.10.249.34:80)

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