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icreinstall_dlc.exe

ADLSoft

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_dlc.exe by ADLSoft has been detected as adware by 19 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:
ADLSoft  (signed and verified)

MD5:
2ef61544ff233ca8d6fd6385ef2efaac

SHA-1:
7cceae073b5eb9b5c4fe5609b63e8739367d4af5

SHA-256:
e05a8a1a1d240492f5b13a770156d7e317eb3f8fd8acadd5556b4c64862811eb

Scanner detections:
19 / 68

Status:
Adware

Explanation:
Uses the InstallCore download and install manager which may bundle various potentially unwanted software offers during setup.

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:
12/25/2024 5:24:20 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Strictor.48325
911

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
TR/Agent.646600.7
7.11.158.2

avast!
Win32:Malware-gen
2014.9-140808

AVG
MalSign.InstallC
2015.0.3389

Bitdefender
Gen:Variant.Strictor.48325
1.0.20.1100

Dr.Web
Adware.InstallCore.133
9.0.1.0220

Emsisoft Anti-Malware
Gen:Variant.Strictor.48325
8.14.08.08.03

ESET NOD32
Win32/InstallCore.FB potentially unwanted application
8.7.0.302.0

F-Prot
W32/InstallCore.R.gen
v6.4.6.5.141

F-Secure
Gen:Variant.Strictor.48325
11.2014-08-08_6

G Data
Gen:Variant.Strictor.48325
14.8.24

IKARUS anti.virus
Win32.SuspectCrc
t3scan.2.2.29

MicroWorld eScan
Gen:Variant.Strictor.48325
15.0.0.660

Reason Heuristics
PUP.ADLSoft.P
14.8.8.3

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.14806

Sophos
Install Core Click run software
4.98

SUPERAntiSpyware
PUP.InstallCore/Variant
10435

Vba32 AntiVirus
Downware.InstallCore
3.12.26.0

File size:
631.4 KB (646,600 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:
ADLSoft

Authority:
Thawte, Inc.

Valid from:
6/21/2012 1:00:00 AM

Valid to:
7/26/2014 12:59:59 AM

Subject:
CN=ADLSoft, O=ADLSoft, L=Tel Aviv, S=Israel, C=IL

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

Serial number:
1C7950C7BFF384C5ABB93DD694E588E8

File PE Metadata
Compilation timestamp:
6/19/1992 11:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:SbkOyMJfsGRBB4UJaDSbM67tqN0OaNnid0LGGWXPsQl8aKLEI221sUx1aY:SAOyMJfsNUaD+M60N9dMGGWX3KLll+UJ

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...
 
[+]

Entropy:
7.8315

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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