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icreinstall_wecpsetup.exe

Open Source Developer

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_wecpsetup.exe by Open Source Developer has been detected as a potentially unwanted program by 8 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. The file has been seen being downloaded from esd.baixaki.com.br and multiple other hosts. While running, it connects to the Internet address 92b91b2d.rdns.100tb.com on port 80 using the HTTP protocol.
Publisher:
Open Source Developer  (signed and verified)

MD5:
714c96364bf4a736b231b36c52be9b95

SHA-1:
b1a64a013a18f1eefa6b58e65be4322255b8d735

SHA-256:
5ed73ec6754109a226a9f6ddc0fba9c9e8cb9200a5c070bb2e3d7bb499f10e94

Scanner detections:
8 / 68

Status:
Potentially unwanted

Explanation:
Bundles additional software, mostly toolbars and other potentially unwanted applications using the Vittalia monitization installer.

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:
11/23/2024 4:50:13 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Dr.Web
Adware.InstallCore.133
9.0.1.0356

ESET NOD32
Win32/InstallCore.ES (variant)
7.9190

Fortinet FortiGate
Riskware/Vittalia
4/9/2014

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

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.131220

Trend Micro House Call
TROJ_GEN.F47V1117
7.2.356

Vba32 AntiVirus
Downware.InstallCore
3.12.26.0

File size:
653 KB (668,624 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:
Open Source Developer

Authority:
Unizeto Technologies S.A.

Valid from:
11/14/2013 8:54:26 AM

Valid to:
11/14/2014 8:54:26 AM

Subject:
E=admin@mediacodec.org, CN=Open Source Developer, OU=Software Publishing, O=Open Source Developer, C=PL

Issuer:
CN=Certum Level III CA, OU=Certum Certification Authority, O=Unizeto Technologies S.A., C=PL

Serial number:
39A416F8FFA5E48B147ADBE062E63C90

File PE Metadata
Compilation timestamp:
6/19/1992 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:dDyMJfsGOOQYjuS4/59PqQSz0VAGfz6aPZnVA5CiV8k52RoKmggRckDbz6e/KjBJ:dDyMJfsVOQ8fDxz0VAoz6aRV8Ci6YSC4

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...
 
[+]

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

Code size:
36 KB (36,864 bytes)

The file icreinstall_wecpsetup.exe has been seen being distributed by the following 10 URLs.

http://esd.baixaki.com.br/programas/.../WECPSetup.exe

http://windows.novellshareware.com/download.php?id=54747

http://www.techspot.com/downloads/downloadnow/.../?evp=080f93a72bb628eca8385069dc0d8446&file=1

http://windows-essentials-codec-pack.en.softonic.com/download-tracker?th=1/.../p9s9GgRkrvmYeiuzKaGgnXa6zKKKPyliXyt8C1Je1B0vxsZ8yI3JaH05s6vwo1FqfakU8O0R9IStY fJsVOAyOT4Uv80tk2SF1U0YNLyEPJwGfi3dhT1W0=

http://www.techspot.com/downloads.php?action=download_now&id=4203&evp=969a311e996807e9a8d1573b12e4d7f8&file=1

http://files.filepuma.com/files/video-players/.../Windows_Essentials_Codec_Pack_v4.6.exe

http://www.filepuma.com/down/1395510263c4628/windows_essentials_codec_pack_4.6/.../0/

http://www.filepuma.com/file/1395510263c4628/windows_essentials_codec_pack_4.6/.../0/

http://software-files-a.cnet.com/s/software/13/45/79/.../WECPSetup.exe

http://www.mediacodec.org/WECPSetup.exe

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

TCP (HTTP):
Connects to ec2-54-232-222-104.sa-east-1.compute.amazonaws.com  (54.232.222.104:80)

TCP (HTTP):
Connects to 92b91b2d.rdns.100tb.com  (146.185.27.45:80)

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