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-star-shv-01-mrs1.facebook.com on port 443.
Publisher:
UCWeb Inc.  (signed by TAOBAO (CHINA) SOFTWARE CO.,LTD.)

Product:
UC Browser

Version:
6.1.2015.1001

MD5:
f7bc7be5938045c5ba5bf62192c6198f

SHA-1:
f5c3727285e07ff361b8bc870a5da7d02f50289b

SHA-256:
92d0080a4fe04d5df30921511367368f33d711da1d6c8561c70d27eddeca76a8

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
1/21/2022 9:48:19 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Taobao (L)
17.2.13.2

File size:
1.1 MB (1,205,464 bytes)

Product version:
6.1.2015.1001

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
Authority:
VeriSign, Inc.

Valid from:
6/16/2016 5:30:00 AM

Valid to:
7/15/2018 5:29:59 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:
2/13/2017 2:23:22 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

Entry address:
0x75775

Entry point:
E8, 36, 09, 00, 00, E9, 80, FE, FF, FF, 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, EB, D1, D9, D1, EA, D1, D8, 0B, DB, 75, F4, F7, F1...
 
[+]

Entropy:
6.7411

Code size:
622 KB (636,928 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-mrs1.facebook.com  (31.13.75.36:443)

TCP (HTTP SSL):
Connects to xx-fbcdn-shv-01-mrs1.fbcdn.net  (31.13.75.12:443)

TCP (HTTP SSL):
Connects to static.khi77.pie.net.pk  (221.120.207.59:443)

TCP (HTTP SSL):
Connects to edge-star-shv-01-mrs1.facebook.com  (31.13.75.8:443)

TCP (HTTP SSL):
Connects to edge-atlas-shv-01-mrs1.facebook.com  (31.13.75.2:443)

TCP (HTTP SSL):
Connects to a125-56.199-32.deploy.akamaitechnologies.com  (125.56.199.32:443)

TCP (HTTP SSL):
Connects to a125-56.199-25.deploy.akamaitechnologies.com  (125.56.199.25:443)

TCP (HTTP SSL):
Connects to a125-56.199-137.deploy.akamaitechnologies.com  (125.56.199.137:443)

TCP (HTTP SSL):
Connects to a125-56.199-89.deploy.akamaitechnologies.com  (125.56.199.89:443)

TCP (HTTP SSL):
Connects to filter36.adblockplus.org  (176.9.146.200:443)

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