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icreinstall_coccoc_vi.exe

Installer

META., JSC

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_coccoc_vi.exe, “Installer Setup ” by META., JSC has been detected as a potentially unwanted program 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. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from lisa.mien-phi.com and multiple other hosts. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
Download.com.vn  (signed by META., JSC)

Product:
Installer

Description:
Installer Setup

Version:
1.0.5.a0.1_33889

MD5:
a4e659e051bed14e2854bb6beb26026d

SHA-1:
33c0fbeefadc0f18201a9e4084c2494661f1912c

SHA-256:
64aa2e5fc44abed97a2fa93fda23e04fa53587d079684124e4ad1e3b94103916

Scanner detections:
1 / 68

Status:
Potentially unwanted

Explanation:
Utilizes the InstallCore download manager that may bundle various adware-type offers.

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:
4/28/2024 5:21:20 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.METAJSC.Installer (M)
16.1.8.2

File size:
649.6 KB (665,160 bytes)

Product version:
1.1

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
META., JSC

Authority:
Thawte, Inc.

Valid from:
10/20/2014 7:00:00 AM

Valid to:
10/21/2015 6:59:59 AM

Subject:
CN="META., JSC", OU=IT, O="META., JSC", L=Hanoi, S=Hanoi, C=VN

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

Serial number:
60A12ECF13AF336B40EF5E6E0165B355

File PE Metadata
Compilation timestamp:
6/20/1992 5:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:0DvpTffbf08qmsSD2xfIN+vWG1IwyomKop6toVGkRUpK0Gho2OLamYLbD:0Dvdnbf1qm12x1vWAIjvaoVW7QdO2moX

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, 53, C9, FF, FF, E8, 9A, 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:
7.8883

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

Code size:
37 KB (37,888 bytes)

The file icreinstall_coccoc_vi.exe has been seen being distributed by the following 2 URLs.

http://lisa.mien-phi.com/?ic_user_id=891

http://cdn.vndownloadfiles.com/?ic_user_id=891

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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