Categories: Risk

About “Win32/RiskWare.PrefChanger.B” infection

The Win32/RiskWare.PrefChanger.B is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Win32/RiskWare.PrefChanger.B virus can do?

Sample contains Overlay data
Yara rule detections observed from a process memory dump/dropped files/CAPE
Performs HTTP requests potentially not found in PCAP.
Reads data out of its own binary image
Drops a binary and executes it
Unconventionial binary language: Chinese (Simplified)
Unconventionial language used in binary resources: Chinese (Simplified)
Authenticode signature is invalid
Attempts to modify proxy settings

How to determine Win32/RiskWare.PrefChanger.B?


File Info:
name: 9893393E43EF80DCA11F.mlwpath: /opt/CAPEv2/storage/binaries/55f655d6bf962b4a6d3822c457ee87bf41d23b44e38c236b578d8acfdec58325crc32: 52930DC5md5: 9893393e43ef80dca11f74ad6271e5a3sha1: 18a3a741bad70d6750d5ac6b637c62dc51f9f045sha256: 55f655d6bf962b4a6d3822c457ee87bf41d23b44e38c236b578d8acfdec58325sha512: c57dedc33cb0a87f827c611caba5ddf4a28367a409684b097003c035ca6d22c523ab872a1ff1c6d9eb9f0103fcb42d74c36f72885e9c9b88944d22ac347519abssdeep: 98304:2tMcx5F1mf5+aStJrEdd3rKAreqk+1Y/JmIBoblpb47fR6Kt2KV9slLXMR:2tMcxHG5atJ2ZTw+6BwpbbKLDslYRtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T16F46331AFEE199F1CB18473A1ABA9E3E9C1F1382533644B7E74E5E1980A4B1F4F04176sha3_384: d96bbcd790a6a540789fa07ede10031b7986b744ba7a30cd4f1d021b3c90cf694981bc2809349a412c6a584be13e911dep_bytes: 81ec8001000053555633db57895c2418timestamp: 2009-06-18 21:33:23
Version Info:
Comments: Turtle GirlCompanyName: Shmehao Network Co., Ltd.Contact: Shmehao Network Co., Ltd.FileDescription: Turtle Girl SetupFileVersion: 1.0.0.1LegalCopyright: Copyright (C) 2014 Shmehao.com. All Rights Reserved.LegalTrademarks: Turtle GirlOriginalFilename: Turtle Girl.exeProductName: Turtle GirlProductVersion: 1.0.0.1Translation: 0x0804 0x04e4

Win32/RiskWare.PrefChanger.B also known as:

Lionic	Trojan.Win32.StartPage.maOT
McAfee	Artemis!9893393E43EF
Cylance	Unsafe
Zillya	Trojan.StartPage.Win32.33534
Sangfor	PUP.Win32.StartPage.V8tr
Alibaba	Trojan:Win32/StartPage.ed49333f
Cyren	W32/PrefChanger.B.gen!Eldorado
Symantec	Trojan.Gen.2
Elastic	malicious (moderate confidence)
ESET-NOD32	Win32/RiskWare.PrefChanger.B
Kaspersky	Trojan.Win32.StartPage.fbrr
Tencent	Win32.Trojan.Startpage.Vwhl
McAfee-GW-Edition	BehavesLike.Win32.Dropper.tc
Sophos	Generic ML PUA (PUA)
Google	Detected
Antiy-AVL	Trojan/Generic.ASMalwNS.6
Kingsoft	Win32.Troj.StartPage.fb.(kcloud)
Microsoft	Trojan:Win32/Wacatac.B!ml
VBA32	Trojan.StartPage
APEX	Malicious
Fortinet	NSIS/StartPage.FNYU!tr
CrowdStrike	win/grayware_confidence_100% (W)