Categories: Risk

RiskTool.MSIL.PCOptimizer.b (file analysis)

The RiskTool.MSIL.PCOptimizer.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 RiskTool.MSIL.PCOptimizer.b virus can do?

Creates RWX memory
Reads data out of its own binary image
Drops a binary and executes it
Performs some HTTP requests
Network activity detected but not expressed in API logs
Anomalous binary characteristics
Uses suspicious command line tools or Windows utilities

Related domains:

edgedl.gvt1.com

update.googleapis.com

How to determine RiskTool.MSIL.PCOptimizer.b?


File Info:
crc32: B48BF106md5: e505e35a244b98f855dbbf46c6a5832dname: E505E35A244B98F855DBBF46C6A5832D.mlwsha1: d5f3971065bd92565b00f75b4093f80098a43d5dsha256: 08cc09b19f15a24a62a06758dd90f9f1df87ba5248ab10fab516019008827e4dsha512: e4c45ea5c9fe6a9ced19d842b39b4f266f99d7c52a0e5b2408eaa7ff7c0ea63f5b21764bad39965351fa45e122c03cbdd1a65ce25e98929d38dbf3a41f3bf899ssdeep: 49152:apTBs2J5T3Nuuj9cjCIHU5I616GFtlx9nVUWHdd:iVxYirIwI616wlx9nhXtype: PE32 executable (GUI) Intel 80386, for MS Windows
Version Info:
0: [No Data]

RiskTool.MSIL.PCOptimizer.b also known as:

Elastic	malicious (high confidence)
DrWeb	Program.Unwanted.1152
CAT-QuickHeal	Risktool.NSIS.Pcoptimizer.A
Qihoo-360	Win32/Virus.IM.839
McAfee	Artemis!E505E35A244B
Cylance	Unsafe
VIPRE	Trojan.Win32.Generic!BT
Sangfor	Malware
K7AntiVirus	Adware ( 004bd8f61 )
K7GW	Adware ( 004bd8f61 )
Symantec	ML.Attribute.HighConfidence
APEX	Malicious
Avast	Win32:Dropper-gen [Drp]
Kaspersky	not-a-virus:RiskTool.MSIL.PCOptimizer.b
Alibaba	RiskWare:MSIL/PCOptimizer.707ca3ea
NANO-Antivirus	Riskware.Win32.MyPCBackup.echhpy
Emsisoft	Application.PCBackOpt (A)
F-Secure	Heuristic.HEUR/AGEN.1124328
Zillya	Downloader.Generic.Win32.4775
McAfee-GW-Edition	BehavesLike.Win32.BadFile.vc
Sophos	Generic PUA NF (PUA)
Ikarus	PUA.MSIL.Mypcbackup
Avira	HEUR/AGEN.1124328
Antiy-AVL	Trojan/Win32.TSGeneric
Kingsoft	Win32.Troj.Generic_a.a.(kcloud)
Microsoft	Trojan:Win32/Occamy.C08
ZoneAlarm	not-a-virus:RiskTool.MSIL.PCOptimizer.b
GData	Win32.Trojan.Agent.FW4FWX
Cynet	Malicious (score: 100)
AhnLab-V3	PUP/Win32.BundleInstaller.R194324
VBA32	CIL.HeapOverride.Heur
Malwarebytes	Malware.Heuristic.1003
Panda	Trj/CI.A
ESET-NOD32	a variant of Win32/MyPCBackup.D potentially unwanted
Yandex	Riskware.PCOptimizer!VjX7yriD+y8
SentinelOne	Static AI – Suspicious PE – Adware
eGambit	Unsafe.AI_Score_99%
Fortinet	Riskware/PCOptimizer
AVG	Win32:Dropper-gen [Drp]
Paloalto	generic.ml
CrowdStrike	win/malicious_confidence_80% (D)