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UCBrowser.exe

UC Browser

TAOBAO (CHINA) SOFTWARE CO.,LTD.

The application UCBrowser.exe 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. This file is typically installed with the program UC Browser by UCWeb Inc.. While running, it connects to the Internet address edge-z-m-mini-shv-01-mad1.facebook.com on port 443.
Publisher:
UCWeb Inc.  (signed by TAOBAO (CHINA) SOFTWARE CO.,LTD.)

Product:
UC Browser

Version:
6.1.2015.1005

MD5:
fd9b50dd8ce34fcd6ef2c16a623aad9b

SHA-1:
92e44c9f9ab6e41d06ed4d163f01d8dc44685f48

SHA-256:
8ce36034cf4164b784af4a26b477abc93510c97ea8a753ed48481d6a1dedda30

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/23/2024 4:44:04 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Taobao (L)
17.2.16.8

File size:
1.1 MB (1,203,984 bytes)

Product version:
6.1.2015.1005

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

Original file name:
UCBrowser.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\ucbrowser\application\ucbrowser.exe

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

Authority:
VeriSign, Inc.

Valid from:
6/16/2016 3:00:00 AM

Valid to:
7/15/2018 2:59:59 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:
2/15/2017 2:28:21 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

Entry address:
0x756F8

Entry point:
E8, 19, 09, 00, 00, E9, 8E, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 57, 56, 53, 33, FF, 8B, 44, 24, 14, 0B, C0, 7D, 14, 47, 8B, 54, 24, 10, F7, D8, F7, DA, 83, D8, 00, 89, 44, 24, 14, 89, 54, 24, 10, 8B, 44, 24, 1C, 0B, C0, 7D, 14, 47, 8B, 54, 24, 18, F7, D8, F7, DA, 83, D8, 00, 89, 44, 24, 1C, 89, 54, 24, 18, 0B, C0, 75, 18, 8B, 4C, 24, 18, 8B, 44, 24, 14, 33, D2, F7, F1, 8B, D8, 8B, 44, 24, 10, F7, F1, 8B, D3, EB, 41, 8B, D8, 8B, 4C, 24, 18, 8B, 54, 24, 14, 8B, 44, 24, 10, D1...
 
[+]

Entropy:
6.7440

Code size:
621 KB (635,904 bytes)

Shell Open Command
Open type:
ftp

Command:
"C:\Program Files\ucbrowser\application\ucbrowser.exe" -- "%1"


The file UCBrowser.exe has been discovered within the following program.

UC Browser  by UCWeb Inc.
About 6% of users remove it
 
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The executing file has been seen to make the following network communications in live environments.

TCP (HTTP SSL):
Connects to edge-star-mini-shv-01-mad1.facebook.com  (31.13.83.36:443)

TCP (HTTP SSL):
Connects to edge-z-m-mini-shv-01-mad1.facebook.com  (31.13.83.37:443)

TCP (HTTP SSL):
Connects to edge-star-shv-01-mad1.facebook.com  (31.13.83.8:443)

TCP (HTTP SSL):
Connects to a104-118-106-174.deploy.static.akamaitechnologies.com  (104.118.106.174:443)

TCP (HTTP SSL):
Connects to xx-fbcdn-shv-01-mad1.fbcdn.net  (31.13.83.4:443)

TCP (HTTP):
Connects to ns342093.ip-188-165-214.eu  (188.165.214.59:80)

TCP (HTTP SSL):
Connects to xx-fbcdn-shv-01-ams3.fbcdn.net  (31.13.91.6:443)

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