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icreinstall_skypesetup.exe

Fast Downloads

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_skypesetup.exe by Fast Downloads has been detected as adware by 11 anti-malware scanners. 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. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
Fast Downloads  (signed and verified)

MD5:
e567c9494e3d1b81c9c8c1f6ba15520a

SHA-1:
2808c552af648c457d916c9c47daeaf1d0b2d509

SHA-256:
3e15692b222dc3596797f48324b285f3ef70442c6c2e2eab6d12ec37ec40aff6

Scanner detections:
11 / 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 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:
4/30/2024 6:56:16 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.151.196

AVG
InstallC
2015.0.3461

Comodo Security
Application.Win32.InstallCore.KAU
18345

Dr.Web
Trojan.Packed.24524
9.0.1.05190

ESET NOD32
Win32/InstallCore.BY potentially unwanted application
7.0.302.0

F-Prot
W32/InstallCore.R3.gen
v6.4.7.1.166

Reason Heuristics
PUP.Installer.FastDownloads.W
14.5.27.16

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.14525

Sophos
Install Core Click run software
4.98

Vba32 AntiVirus
Downware.InstallCore
3.12.26.0

VIPRE Antivirus
Threat.4786018
29560

File size:
737.3 KB (754,944 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_skypesetup.exe

Digital Signature
Signed by:
Fast Downloads

Authority:
COMODO CA Limited

Valid from:
8/14/2013 2:00:00 AM

Valid to:
8/15/2014 1:59:59 AM

Subject:
CN=Fast Downloads, O=Fast Downloads, STREET=96 Jessie st 4th floor, L=San Francisco, S=CA, PostalCode=94105, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00D9726FD3E4B9094351093A3495F1FE97

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:hyMJfsGnP/ZjHUdoq1R5+/pnpVbe1QDWGYhhEN0UhxEwoh63oPpCw6sIk8hYKP7n:hyMJfsiP/BkohpnpViQShERx4h63YjRv

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
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Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
36 KB (36,864 bytes)

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

TCP (HTTP):
Connects to os.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdnus.solvefile.com  (207.189.109.121:80)

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