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ultrasurf.exe

UltraSurf

Apps Installer S.L.

This is the Solimba installer program that will bundle additional offers mostly including adware and various unwanted PC utilities. The application ultrasurf.exe, “UltraSurf installer” by Apps Installer S.L has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the Solimba DownloadMR installer. The installer uses the Solimba download manager to push adware offers during the download and setup process. Bundled adware includes search and shopping web browser toolbars.
Publisher:
Apps Installer S.L.  (signed and verified)

Product:
UltraSurf

Description:
UltraSurf installer

Version:
3.0.3.0

MD5:
e3319a5f1d3fb1030e52114fafa203f2

SHA-1:
f6cf00eb53d9d9476e2f2b8fbb7d69105613abb0

SHA-256:
264cab6347c04b4cfe79b075df59ddbf63f851ce3b6825b3c67709ae97794b74

Scanner detections:
1 / 68

Status:
Adware

Explanation:
This is a wrapped installation of legitimate software (without persmission of the developer) and bundles adware such as toolbars and extensions.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/19/2024 12:30:08 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba.AppsInstaller.Installer (M)
16.2.15.4

File size:
157.6 KB (161,432 bytes)

Copyright:
(c) 2010-2013 (201304192007)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

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

Digital Signature
Signed by:
Apps Installer S.L.

Authority:
Thawte, Inc.

Valid from:
2/19/2013 1:00:00 AM

Valid to:
2/20/2015 12:59:59 AM

Subject:
CN=Apps Installer S.L., O=Apps Installer S.L., L=Barcelona, S=Barcelona, C=ES

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
323F44D66AEF890F43C32CFD743A4AD0

File PE Metadata
Compilation timestamp:
2/19/2012 4:01:49 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
3072:hX7DItrfaocyTgfsqQOlJuC+0LB5jtiHTZiHGHAIOCSoz05/cFI:hsaocyLCX+0LJqTQHoKC9zQ/F

Entry address:
0x4327

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, FF, 15, 74, 93, 42, 00, C7, 04, 24, 01, 80, 00, 00, FF, 15, 58, 94, 42, 00, 53, C7, 04, 24, 00, 00, 00, 00, FF, 15, 98, 94, 42, 00, 56, A3, 40, 7B, 42, 00, C7, 04, 24, 08, 00, 00, 00, E8, 8D, 3B, 00, 00, A3, 9C, 7B, 42, 00, 8D, 85, 84, FE, FF, FF, 57, C7, 44, 24, 10, 00, 00, 00, 00, C7, 44, 24, 0C, 60, 01, 00, 00, 89, 44, 24, 08, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, 01, B3, 40, 00, FF, 15, AC, 94, 42, 00, 83, EC, 14, C7, 44, 24, 04, 02, B3, 40, 00, C7...
 
[+]

Code size:
34.5 KB (35,328 bytes)

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

http://nl3.inncdn.com/?domain=ultrasurf&name=UltraSurf&icon=aHR0cDovL3NjcmVlbnNob3QuaXQuc2Z0Y2RuLm5ldC9pdC9zY3JuLzc2MDAwLzc2NTY5L3VsdHJhc3VyZi0yLTgweDgwLnBuZw==&url=aHR0cDovL3VsdHJhcmVhY2guY29tL2Rvd25sb2FkL3Uuemlw&os=&lang=it_IT

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

TCP (HTTP):
Connects to cdn.solimba.com  (95.211.6.35:80)

TCP (HTTP):
Connects to api.downloadmr.com  (95.211.39.161:80)

 
http://api.downloadmr.com/installer/208197363/launch

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