installer_ultrasurf.exe

Rororocas

FunnelOpti (Alpha Criteria Ltd.)

The application installer_ultrasurf.exe, “Rororocas Setup ” by FunnelOpti (Alpha Criteria) 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 installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from ultrasurf.es.
Publisher:
Fam   (signed by FunnelOpti (Alpha Criteria Ltd.))

Product:
Rororocas

Description:
Rororocas Setup

MD5:
8e861c6d6b3a93cc5d05b9c6e3b9d84b

SHA-1:
3dc8305b429bb9fd448070c30103ebe47e38302e

SHA-256:
1a40a9f449ab65a1bc31b07ed5a42ae71ce733e97fe74ba7a58dcd84f39d89dd

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
12/25/2024 3:35:21 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AC.Installer (M)
16.7.12.6

File size:
946.5 KB (969,232 bytes)

Product version:
1.3

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Authority:
GlobalSign nv-sa

Valid from:
12/16/2015 7:41:21 AM

Valid to:
8/26/2016 10:34:53 AM

Subject:
CN=FunnelOpti (Alpha Criteria Ltd.), O=FunnelOpti (Alpha Criteria Ltd.), L=Tel Aviv, C=IL

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121C57D0836DF0829F54F07ADA2D08AAFCB

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:4ifR36WNFjT8bmlp0OR7/NmpQfVw5DBith:VpBAbmHR7/Nmp0qct

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9368

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

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

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