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UCBrowser.exe

UC Browser

UCWeb Inc.

The application UCBrowser.exe has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. While running, it connects to the Internet address nyc31.ff.avast.com on port 80 using the HTTP protocol.
Publisher:
UCWeb Inc.

Product:
UC Browser

Version:
5.5.9936.1004

MD5:
e538c9959ddad4c402a4561b4ec184f8

SHA-1:
f23926c153718d5ffb5e4587c6548a77832d88f4

SHA-256:
da92cbee42faaac2ff4bf2fc7774fcf9e6d6830b56fa17b8ef95a5c80126c59c

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/23/2024 5:18:12 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Taoboa (L)
17.2.26.13

File size:
1.1 MB (1,193,632 bytes)

Product version:
5.5.9936.1004

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

File PE Metadata
Compilation timestamp:
1/12/2016 6:10:56 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x58EA4

Entry point:
E8, B0, A0, 00, 00, E9, 7F, FE, FF, FF, 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, EB, D1, D9, D1, EA, D1, D8, 0B, DB, 75, F4, F7...
 
[+]

Code size:
462.5 KB (473,600 bytes)

Shell Open Command
Open type:
ftp

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


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

TCP (HTTP SSL):
Connects to ec2-54-207-46-12.sa-east-1.compute.amazonaws.com  (54.207.46.12:443)

TCP (HTTP):
Connects to ec2-54-243-39-205.compute-1.amazonaws.com  (54.243.39.205:80)

TCP (HTTP SSL):
Connects to c9061052.virtua.com.br  (201.6.16.82:443)

TCP (HTTP):
Connects to nyc02-008.ff.avast.com  (77.234.44.199:80)

TCP (HTTP SSL):
Connects to pr-bh.pbp.vip.bf1.yahoo.com  (72.30.2.182:443)

TCP (HTTP):
Connects to nyc31.ff.avast.com  (77.234.44.41:80)

TCP (HTTP SSL):
Connects to mpr2.ngd.vip.ne1.yahoo.com  (216.155.194.56:443)

TCP (HTTP SSL):
Connects to mia32.ff.avast.com  (77.234.42.42:443)

TCP (HTTP SSL):
Connects to media-router-fp1.prod.media.vip.bf1.yahoo.com  (98.139.180.180:443)

TCP (HTTP SSL):
Connects to l3dsr-cserv-um-21.iad3.btrll.com  (162.208.22.39:443)

TCP (HTTP):
Connects to ir1.fp.vip.gq1.yahoo.com  (206.190.36.45:80)

TCP (HTTP SSL):
Connects to e2.ycpi.vip.bra.yahoo.com  (200.152.162.161:443)

TCP (HTTP SSL):
Connects to e1.ycpi.vip.bra.yahoo.com  (200.152.162.135:443)

TCP (HTTP SSL):
Connects to a23-219-70-243.deploy.static.akamaitechnologies.com  (23.219.70.243:443)

TCP (HTTP SSL):
Connects to ec2-54-207-67-3.sa-east-1.compute.amazonaws.com  (54.207.67.3:443)

TCP (HTTP SSL):
Connects to ams10-009.ff.avast.com  (5.45.62.80:443)

TCP (HTTP SSL):
Connects to static.criteo.net  (74.119.118.74:443)

TCP (HTTP):
Connects to sea33.ff.avast.com  (77.234.41.43:80)

TCP:
Connects to r-253-42-234-77.ff.avast.com  (77.234.42.253:8743)

TCP (HTTP SSL):
Connects to r1.ycpi.vip.bf1.yahoo.net  (98.139.199.204:443)

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