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7_zip.exe

DownloadShield

The application 7_zip.exe by DownloadShield has been detected as adware 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 NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from downloads.downloadtastic.com.
Publisher:
DownloadShield  (signed and verified)

MD5:
d6da1dfd6d8f10324985e21da789c1cf

SHA-1:
8e629f2e4682b78a9226b2f37ee2705b0d1528e9

SHA-256:
6229004629bf3f191b0cfb34ed9cfb57b1e8f3dad84f161ee0b3d6bf55c4d52a

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
12/27/2024 5:25:16 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.7.28.9

File size:
229.7 KB (235,192 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\7_zip.exe

Digital Signature
Signed by:
DownloadShield

Authority:
VeriSign, Inc.

Valid from:
3/10/2013 7:00:00 PM

Valid to:
5/9/2016 6:59:59 PM

Subject:
CN=DownloadShield, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=DownloadShield, L=San Jose, S=California, 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:
309C9F4C0975E9792AECED60B8346C13

File PE Metadata
Compilation timestamp:
8/28/2014 11:10:27 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
3072:AAWEqcrBSLy6uGY3agmoXmHXeRnmARnrgv4oIJMpGw2NizyGHohqCgXeFGw:AkZeyduRS7xrgvetwAGIf6W

Entry address:
0x3350

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, A8, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, B8, 3C, 42, 00, E8, 23, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, 3B, 42, 00, 8D, 44, 24, 38, 50, 53, 68, 3B, 74, 40, 00, FF, 15, 58, 71, 40, 00, 68, 30, 74, 40, 00, 68, C0, 33, 42, 00, E8, 15, 24, 00, 00, FF, 15, B0, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57, E8, 03, 24, 00, 00...
 
[+]

Entropy:
7.7193

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file 7_zip.exe has been seen being distributed by the following URL.

http://downloads.downloadtastic.com/7_Zip.exe

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