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icreinstall_google-chrome.exe

Lek

Optinstall (Fried Cookie Ltd)

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_google-chrome.exe, “Lek Setup ” by Optinstall (Fried Cookie) 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. With this installer, users are expecting to download Google's Chrome web browser but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Patitobe   (signed by Optinstall (Fried Cookie Ltd))

Product:
Lek

Description:
Lek Setup

MD5:
829a24551398ff885b50e4cfd91804ac

SHA-1:
2bd7e45df3d32b97313b26e7c01f0b310cd93391

SHA-256:
5136e89387da1bf266e294ec13a5b3e8520c708fa71fa0d0b362681a73b49eb8

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 is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/27/2024 3:31:12 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.FC.Installer (M)
16.4.17.7

File size:
987.4 KB (1,011,056 bytes)

Product version:
3.4

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_google-chrome.exe

Digital Signature
Signed by:
Optinstall (Fried Cookie Ltd)

Authority:
GlobalSign nv-sa

Valid from:
12/17/2015 9:09:26 PM

Valid to:
4/27/2016 10:21:32 PM

Subject:
CN=Optinstall (Fried Cookie Ltd), O=Optinstall (Fried Cookie Ltd), L=Tel Aviv, C=IL

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

Serial number:
11215636959A80155787F26DE2847A7CC84B

File PE Metadata
Compilation timestamp:
6/20/1992 3:52:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:O70TgmWjBE5tbJWZ/a/MPn2Ub6p+s2DyhbsGQ:OoT/QBEtaCa2srsm

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:
7.9298

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

Code size:
39.5 KB (40,448 bytes)

The file icreinstall_google-chrome.exe has been seen being distributed by the following 4 URLs.

https://tmpfile4427.s3.amazonaws.com/download77/ic_trackings/2123/.../google-chrome.exe

https://tmpfile4422.s3.amazonaws.com/download77/ic_trackings/52848/.../google-chrome.exe

https://tmpfile4412.s3.amazonaws.com/download77/ic_trackings/44935/.../google-chrome.exe

https://tmpfile4408.s3.amazonaws.com/download77/ic_trackings/42084/.../google-chrome.exe

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)

TCP (HTTP):
Connects to cdneu.webfilescdn.com  (65.254.40.36:80)

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