winzip19-dl.exe

Internet

WinZip Computing LLC

The application winzip19-dl.exe by WinZip Computing has been detected as a potentially unwanted program by 14 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 more.tianjimedia.com and multiple other hosts.
Publisher:
WinZip Computing LLC  (signed and verified)

Product:
Internet

Description:
WinZip

MD5:
ec26070ebbc1404fa1a7856b1b0a1964

SHA-1:
ed37bebffb26767e8cf3198e3016397e5b8de4d7

SHA-256:
0cd1857617fd022d0c1d635c42ab0ac4955d384cf4955670c50a2cd7f8efe40c

Scanner detections:
14 / 68

Status:
Potentially unwanted

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 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:
11/5/2024 5:37:05 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
PUA/InstallCore.Gen4
7.11.217.198

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.15829

Bkav FE
W32.HfsAdware
1.3.0.6979

Dr.Web
Trojan.InstallCore.62
9.0.1.0208

ESET NOD32
Win32/InstallCore.TL potentially unwanted (variant)
9.11329

Fortinet FortiGate
Riskware/InstallCore
7/27/2015

herdProtect (fuzzy)
2015.8.29.23

K7 AntiVirus
Trojan
13.201.15277

Reason Heuristics
PUP.InstallCore.Bundler (M)
15.7.27.13

Total Defense
Win32/InstallCore.HFCLZR
37.1.62.1

Trend Micro House Call
Suspicious_GEN.F47V0214
7.2.241

Vba32 AntiVirus
Malware-Cryptor.InstallCore.gen
3.12.26.4

File size:
861.3 KB (881,984 bytes)

Product version:
4.4

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\winzip19-dl.exe

Digital Signature
Authority:
DigiCert Inc

Valid from:
2/7/2015 4:00:00 PM

Valid to:
12/9/2015 4:00:00 AM

Subject:
CN=WinZip Computing LLC, O=WinZip Computing LLC, S=Connecticut, L=Mansfield, C=US, SERIALNUMBER=3952106, OID.1.3.6.1.4.1.311.60.2.1.2=Delaware, OID.1.3.6.1.4.1.311.60.2.1.3=US, OID.2.5.4.15=Private Organization

Issuer:
CN=DigiCert EV Code Signing CA (SHA2), OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
07D6D1C205EA8F9307404B7DE7AD6A55

File PE Metadata
Compilation timestamp:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:nLr30a58aPAG7EhUetcco41wFdrwgRqCdU3T1PpDMMN:n/7fPAcEzwFdEgRqCW3T1Pph

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:
7.8635

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

Code size:
37 KB (37,888 bytes)

The file winzip19-dl.exe has been seen being distributed by the following 2 URLs.

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