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oiassistwtd.exe

WinZip 18

WinZip Computing

The application oiassistwtd.exe by WinZip Computing has been detected as a potentially unwanted program by 6 anti-malware scanners. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address inst.avg.com on port 80 using the HTTP protocol.
Publisher:
WinZip Computing  (signed and verified)

Product:
WinZip 18

Description:
WinZip 18 Setup

Version:
1,19,0,3503

MD5:
ef6685fe5c4804edc6988bc559736a2a

SHA-1:
65cc89139fa22939fbdb7363522fd81ad1eb184a

SHA-256:
e9fcc97f61aff11f1195d1b25d8a4e0bc13fb9ab3a2a0a793737b9cec39ef5f5

Scanner detections:
6 / 68

Status:
Potentially unwanted

Explanation:
Includes Open Install, an installer which bundles legitimate programs with offers for additional 3rd-party applications that may be unwanted by the user.

Analysis date:
11/24/2024 5:03:55 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.OpenInstall
7.1.1

Dr.Web
Adware.Downware.1923
9.0.1.0110

Emsisoft Anti-Malware
Trojan.Generic.10143455
8.14.04.20.12

ESET NOD32
Win32/OpenInstall (variant)
8.9290

Reason Heuristics
PUP.OpenInstall.Installer.L
14.4.20.0

Sophos
Open Install
4.96

File size:
410.9 KB (420,792 bytes)

Product version:
1,19,0,3503

Copyright:
Copyright © 2013

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\oiassistwtd.exe

Digital Signature
Signed by:
WinZip Computing

Authority:
VeriSign, Inc.

Valid from:
3/16/2012 4:00:00 AM

Valid to:
4/14/2014 3:59:59 AM

Subject:
CN=WinZip Computing, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=WinZip Computing, L=Mansfield, S=Connecticut, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
5E4842AC9691630B45F8266C0ADB1206

File PE Metadata
Compilation timestamp:
9/11/2013 5:01:43 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
7.10

CTPH (ssdeep):
6144:LPEVT/DlxGmVQhlzYBH1PBrj+qCkeHX0h1Db5lugnuz3aJkx5Due:L+DfPVQhlzi5leMD7ul3CkxRue

Entry address:
0x1000

Entry point:
55, 8B, EC, 81, EC, 1C, 04, 00, 00, 53, 56, 57, BE, CC, 30, 40, 00, 8D, BD, E4, FB, FF, FF, A5, A5, A5, 6A, 7E, 66, A5, 59, 33, C0, 8D, BD, F2, FB, FF, FF, F3, AB, 66, AB, BB, 04, 01, 00, 00, 53, 8D, 85, E4, FB, FF, FF, 50, FF, 15, 5C, 30, 40, 00, 66, 83, A5, EC, FD, FF, FF, 00, 33, C0, B9, 81, 00, 00, 00, 8D, BD, EE, FD, FF, FF, F3, AB, 66, AB, 8D, 45, FE, 50, 8D, 85, EC, FD, FF, FF, 50, 8D, 85, E4, FB, FF, FF, 50, C7, 45, F8, FD, FF, FF, FF, C6, 45, FE, 00, E8, 45, 01, 00, 00, 83, C4, 0C, 84, C0, 74, 15...
 
[+]

Entropy:
7.7055

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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

TCP (HTTP):
Connects to oi.cloud.avg.com  (204.193.144.33:80)

TCP (HTTP):
Connects to inst.avg.com  (204.193.144.89:80)

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