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icreinstall_winzip20.exe

WinZip Computing LLC

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_winzip20.exe by WinZip Computing 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. The file has been seen being downloaded from cdn.winzipdatahosting.com and multiple other hosts. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
WinZip  (signed by WinZip Computing LLC)

Product:
WinZip

Version:
1.0.5.a0.1_53398

MD5:
9875afbd4c79e56898acc1f614f2a8c2

SHA-1:
f8b830f4d7170961f9d1b35b2e7ab4f471607023

SHA-256:
26da533e42aafd9cde5d39a09e42bc90e631702adccc81b979520074d8dae4de

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:
11/27/2024 12:56:58 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.WinZipComputing.Meta (M)
16.3.6.21

File size:
1.2 MB (1,209,688 bytes)

Product version:
1.0.5.a0.1_53398

Copyright:
WinZip

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_winzip20.exe

Digital Signature
Signed by:
WinZip Computing LLC

Authority:
thawte, Inc.

Valid from:
12/29/2015 6:00:00 PM

Valid to:
3/30/2017 6:59:59 PM

Subject:
CN=WinZip Computing LLC, OU=IT, O=WinZip Computing LLC, L=Mansfield, S=Connecticut, C=US

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
0DF50E7B70B5921CAD5206E96DBE05E8

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:90Es2hKfzttp5TboBRSryTvw8ZI77VXnI7ugux2TrhbIC6:9/zKLB5TySrHLVXuvq2TdbIC

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:
7.8688

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

Code size:
37 KB (37,888 bytes)

The file icreinstall_winzip20.exe has been seen being distributed by the following 5 URLs.

http://cdn.winzipdatahosting.com/c?fallback_url=http://download.winzip.com/gl/gad/.../gF96ul6FRw5JiHN Ksux6NH0qAV0O4=&downloadAs=winzip20.exe&c=6LyF7KkBOhoW3qOHlC7YeexB9lbzpXj60AnQlmdPDDffJUs8pFHWG7I34MU668dSz0vhf3PVbyYO1PtZZV91fB52UgvCiJJKl9DBgrYHUSRt7SG5j02tC00 hg4Xf5GZ

http://cdn.winzipdatahosting.com/c?fallback_url=http://download.winzip.com/gl/gad/winzip20.exe&x=lnDqL5Dar5bJ0ZkyoFiWrCZpXCh8mUw IQkP7/Q /.../lt2gQaxLBJuU7iQvRHWfjT2kRIXYCQd6WeEB9dFoxGSAA45icgC71QxTbrJT2QqAqWbRsj3Di2zQ3Nrs7pa

http://cdn.winzipdatahosting.com/c?fallback_url=http://download.winzip.com/gl/gad/winzip20.exe&x=09mZ59pccmHj5pl9ksqLfEw4wqVs/msE999nvdW6xfU=&downloadAs=winzip20.exe&c=Rf4xfnbNLIDHvXQj46QN3yq0OTquQS20tYP73e4tCnu2Qa/R69C1FF5gqBoH/.../tEqJfPbjMOVtwSHMMjhFIuOkuus5RFNYrtOSg7SYzAx1

http://cdn.winzipdatahosting.com/c?fallback_url=http://download.winzip.com/gl/.../winzip20.exe&x=J 3mtmiCBnZi91NWOilYY8NAgnq2gpI6jtjoljSevtI=&downloadAs=winzip20.exe&c=MFu5w55KrnXqVJwIbDFcHdfCCHwKt 54 Qd3J2lPwq0KAZ ufsHc34Ws72Up6wXOLHQwrM5AjAzX6kcQYhkkoWoiDRHnAqk8Ja1oX0H iJ3rjv kpfYJzbAWjudivizP

http://cdn.winzipdatahosting.com/c?fallback_url=http://download.winzip.com/gl/gad/.../4ktpNRqa1558OXEo5SxdNPHNy42b z86ctI=&downloadAs=winzip20.exe&c=TTvgDRqMgyqybMbTXcF7OGBEQo7v8DjUAkZ2d7R1FDtlB3Dl6 a7yNQLuSqMCiakGc0iTsQk3VNBZ6u1WuWGmdfZcTZF2hNmoIM8XNjojMaDLGexmvvMQdEU44JHnsQL

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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