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webfreer浏览器2015@10_326942.exe

Downloader

Shanghai Yishen Network Technology Co., Ltd.

The application webfreer浏览器2015@10_326942.exe by Shanghai Yishen Network Technology Co. has been detected as a potentially unwanted program by 8 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. This setup program installs potentially unwanted software on the user's PC at the same time as the expected/marketing software, without adequate consent. The program is typically installed via a form of malvertising
Publisher:
Shanghai Yishen Network Technology Co., Ltd.  (signed and verified)

Product:
Downloader

Version:
6.0.0.1

MD5:
205e9cab97c03042a99326322e3cb5e9

SHA-1:
e70bc5865a5806b16d8ead94e415fa50b7bc5544

SHA-256:
599b5c0450e0970a600c1ca8a91bd7609a5fe2d0f30ed1263ff65835f3430046

Scanner detections:
8 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 6:15:48 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.Generic
2016.01.03

avast!
Win32:Malware-gen
2014.9-160902

AVG
Generic
2017.0.2632

IKARUS anti.virus
PUA.Softcnapp
t3scan.1.9.5.0

McAfee
Artemis!205E9CAB97C0
5600.6288

Microsoft Security Essentials
SoftwareBundler:Win32/Xiazai
1.1.12400.0

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.26.4

VIPRE Antivirus
Trojan.Win32.Generic
46230

File size:
283.7 KB (290,544 bytes)

Product version:
6.0.0.1

Original file name:
Downloader

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Chinese (Simplified, PRC)

Common path:
C:\users\{user}\downloads\webfreer浏览器2015@10_326942.exe

Digital Signature
Signed by:
Shanghai Yishen Network Technology Co., Ltd.

Authority:
WoSign CA Limited

Valid from:
11/4/2015 5:27:27 PM

Valid to:
11/4/2016 5:27:27 PM

Subject:
CN="Shanghai Yishen Network Technology Co., Ltd.", O="Shanghai Yishen Network Technology Co., Ltd.", L=Shanghai, S=Shanghai, C=CN

Issuer:
CN=WoSign Class 3 Code Signing CA, O=WoSign CA Limited, C=CN

Serial number:
62B00AF7B42A239D1C1409007FAEFFB5

File PE Metadata
Compilation timestamp:
12/23/2015 11:06:31 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:daQ8361QdFufYJ78eJ0z3oGeJudrmlopP4hc1HGr+kaW:d5hOdFuguZ3G8olwPoc1HvkaW

Entry address:
0x31C8

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, D8, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 70, 72, 40, 00, A3, F8, 6C, 44, 00, FF, 15, B0, 70, 40, 00, 66, 83, F8, 06, 74, 11, 53, E8, A2, 26, 00, 00, 3B, C3, 74, 07, 68, 00, 0C, 00, 00, FF, D0, 6A, 0D, E8, 90, 26, 00, 00, 6A, 0B, E8, 89, 26, 00, 00, 53, 68, 60, 01, 00, 00, A3, 00, 6C, 44, 00, 8D, 44, 24, 38, 50, 53, 68, D3, 73, 40, 00, FF, 15, 5C...
 
[+]

Entropy:
7.7401

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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