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oiassistwtd.exe

WinZip 17.5

WinZip Computing

The executable oiassistwtd.exe, “WinZip 17.5 Setup” by WinZip Computing has been known to be a potentially unwanted program that has been detected by 6 anti-malware scanners. This is a self-extracting archive and installer. 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 17.5

Description:
WinZip 17.5 Setup

Version:
1,18,0,3287

MD5:
ffb61afec5206a7cbd4a377693fe4021

SHA-1:
d015c0a92a34f6cb9d895f2609ec91bf197f3d4c

SHA-256:
6f169de38da6e0c903c5321248ab521d279d6ccf89476449b3ae19ef2e8e7dcb

Scanner detections:
6 / 68

Status:
Clean  (6 probable false positive detections)

Explanation:
These detections are probably false positives (erroneous), the file is probably malware free.

Analysis date:
5/2/2024 7:09:36 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Downware.1348
9.0.1.057

ESET NOD32
Win32/OpenInstall (variant)
8.9151

K7 AntiVirus
Unwanted-Program
13.174.10455

McAfee
Artemis!3719C6E783EF
5600.7208

Sophos
Open Install
4.95

Trend Micro House Call
TROJ_GEN.F47V0809
7.2.57

File size:
414.4 KB (424,384 bytes)

Product version:
1,18,0,3287

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 2:00:00 AM

Valid to:
4/14/2014 1:59:59 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:
4/12/2013 12:55:13 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
7.10

CTPH (ssdeep):
12288:JZ0lscVC2dgU0rIvtDJ/nDsoGcO1WK/kLNL:JZ0PcprIv7/D84NL

Entry address:
0x1000

Entry point:
55, 8B, EC, 81, EC, 1C, 04, 00, 00, 53, 56, 57, BE, C0, 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, 85, EC, FD, FF, FF, 50, 8D, 85, E4, FB, FF, FF, 50, C7, 45, F8, FD, FF, FF, FF, E8, 3A, 01, 00, 00, 84, C0, 59, 59, 74, 15, 8D, 75, F8, 8D, BD, EC, FD, FF, FF...
 
[+]

Entropy:
7.7053

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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