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icreinstall_dropbox.exe

Program Setup

SetupFlash (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_dropbox.exe by SetupFlash (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. The installer is marketed through download protals and search ads as Dropbox but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
SecuredDownload  (signed by SetupFlash (Fried Cookie Ltd))

Product:
Program Setup

Version:
1.0.5.a0.1_54528

MD5:
5efba8a4a42a0b6da747b63155a5119b

SHA-1:
645d877ade843015ce46fb9cd5fc99896b36d6ec

SHA-256:
86ab3e3336a2eff70c44ebef84965674d5c65c6e0209da106f43c5b8844072fd

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:
11/25/2024 10:21:18 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.FC.Installer (M)
16.4.5.5

File size:
1004 KB (1,028,112 bytes)

Product version:
1.0.5.a0.1_54528

Copyright:
SecuredDownload

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
SetupFlash (Fried Cookie Ltd)

Authority:
GlobalSign nv-sa

Valid from:
12/17/2015 6:17:02 AM

Valid to:
6/2/2016 9:31:23 AM

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

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

Serial number:
11210881F590F73BFA97523546F954558131

File PE Metadata
Compilation timestamp:
6/19/1992 4:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:8i1a3ET3UU00OWKVpODYrJUwaBkRTokZ0F711XCL7nQ0iH0jzvWuIyGmVKs/IQ4L:8i1GvWQJrJta2xAN002LEu4lm2w5i/3

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, BF, A9, FF, FF, E8, 5E, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.9152

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

Code size:
37 KB (37,888 bytes)

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

https://tmpfile3843.s3.amazonaws.com/download77/ic_trackings/47898/.../dropbox.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)

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