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ultravnc.exe

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 ultravnc.exe by Apps Installer S.L has been detected as adware by 15 anti-malware scanners. 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. The file has been seen being downloaded from www.download366.net. While running, it connects to the Internet address cdn.solimba.com on port 80 using the HTTP protocol.
Publisher:
Apps Installer S.L.  (signed and verified)

Version:
3.0.0.2

MD5:
40d7f41fc5e09655cb26e40fca2c8327

SHA-1:
4dd78c35a95772af798c1d4f563eabe098437d34

SHA-256:
f97420e940376f12e26b965b1b46e576893899084cc62c54d1a1d59f4852627e

Scanner detections:
15 / 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 is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/16/2024 9:55:34 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/Solimba.Gen
7.11.169.168

avast!
Solimba-C [PUP]
140813-1

Comodo Security
Application.Win32.Solimba.KX
19344

Dr.Web
Adware.Downware.1125
9.0.1.05190

ESET NOD32
MSIL/Solimba.L potentially unwanted application
7.0.302.0

Fortinet FortiGate
Adware/Solimba
8/28/2014

F-Prot
W32/Solimba.C.gen
4.6.5.141

Kaspersky
not-a-virus:AdWare.Win32.Fiseria
15.0.0.494

Panda Antivirus
Adware/Solimba
14.08.28.01

Reason Heuristics
PUP.AppsInstallerSL.I
14.8.28.11

Rising Antivirus
PE:PUF.FirseriaInstaller@CV!1.5C42
23.00.65.14826

Sophos
DownloadMR
4.98

SUPERAntiSpyware
Adware.Solimba
10394

Vba32 AntiVirus
Signed-Downware.Morstar.AppsInstallerSL
3.12.26.3

VIPRE Antivirus
Threat.4782980
32210

File size:
151.1 KB (154,712 bytes)

Copyright:
(c) 2010-2013 (201304111111)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\ultravnc.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:
3/25/2013 11:36:16 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
3072:9wBElMHV8XpJe2gKC+I9nYxlI1bieFYYMS17S6x5szvVT9X5enUp3k:9mJHqKTVY3IBiemYMnBVT9X5eUp3k

Entry address:
0x333F

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 78, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, B8, 3C, 42, 00, E8, 06, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, 3B, 42, 00, 8D, 44, 24, 38, 50, 53, 68, 06, 74, 40, 00, FF, 15, 58, 71, 40, 00, 68, 00, 74, 40, 00, 68, C0, 33, 42, 00, E8, F8, 23, 00, 00, FF, 15, B0, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57, E8, E6, 23, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

http://www.download366.net/ultravnc/.../ultravnc.exe

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/28489563/launch

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