Categories: Malware

Should I remove “BAT/KillFiles.NRX”?

The BAT/KillFiles.NRX 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 BAT/KillFiles.NRX virus can do?

The binary contains an unknown PE section name indicative of packing
The binary likely contains encrypted or compressed data.
The executable is compressed using UPX
Authenticode signature is invalid
Uses Windows utilities for basic functionality
Attempts to repeatedly call a single API many times in order to delay analysis time
Deletes executed files from disk
Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine BAT/KillFiles.NRX?


File Info:
name: 207F6373B3AFAD425D3C.mlwpath: /opt/CAPEv2/storage/binaries/70c2e01a225f02746c86a96faa7e2bd6e67bc06bbb64f7a866c1540b746ad7c6crc32: 3ADA3124md5: 207f6373b3afad425d3cb93aaa854537sha1: 917bce8f65360c71d2ea81a773b1c0de7c23dd50sha256: 70c2e01a225f02746c86a96faa7e2bd6e67bc06bbb64f7a866c1540b746ad7c6sha512: a4b4ecffd86b0a2919477e61452ffce3b3d9fc3b87d2848483df10bcf4ad3513f60a98c12e3879356edd6c95e43e9a36abbecf7c89b52908cbb95a5a28c538fessdeep: 768:o6WymqOm+2hq2StkO6BnUcXlxlqB6emrIznbcuyD7U:o6Wy4m+r2kncXkTmrIznouy8type: PE32 executable (console) Intel 80386, for MS Windowstlsh: T189D2E113D290473AC5CD26B52EBF35830324962AF045D7AB99B6737EEC417282C586A7sha3_384: 86315c698cdee3895ad3acd9ef617185c4a2ff71ea3537a716d7d2defb89e59216188d1f6b60f67d5ed6bbf7e7cdb949ep_bytes: 60be15c040008dbeeb4fffff5789e58dtimestamp: 2015-06-15 16:06:34
Version Info:
0: [No Data]

BAT/KillFiles.NRX also known as:

Bkav	W32.AIDetectMalware
Lionic	Trojan.Win32.Gen.4!c
Elastic	malicious (moderate confidence)
MicroWorld-eScan	Gen:Heur.Bat.1
CAT-QuickHeal	Trojan.Dyanamer.A5
ALYac	Gen:Heur.Bat.1
Malwarebytes	Malware.Heuristic.1003
Sangfor	Ransom.Win32.Agent.Viuj
Alibaba	Ransom:Win32/Generic.83b4510a
Cybereason	malicious.f65360
BitDefenderTheta	Gen:NN.ZexaF.36196.bmGfaOurYbc
VirIT	Backdoor.Win32.Generic.CNLA
Cyren	W32/Agent.BJD.gen!Eldorado
Symantec	ML.Attribute.HighConfidence
tehtris	Generic.Malware
ESET-NOD32	BAT/KillFiles.NRX
APEX	Malicious
Kaspersky	Trojan-Ransom.Win32.Gen.vpz
BitDefender	Gen:Heur.Bat.1
Avast	FileRepMalware [Trj]
Tencent	Win32.Trojan.Gen.Iqil
Emsisoft	Trojan.Generic (A)
VIPRE	Gen:Heur.Bat.1
McAfee-GW-Edition	BehavesLike.Win32.Generic.mc
Trapmine	suspicious.low.ml.score
FireEye	Generic.mg.207f6373b3afad42
Sophos	Mal/Generic-S
SentinelOne	Static AI – Malicious PE
GData	Gen:Heur.Bat.1 (2x)
Jiangmin	TrojanDropper.Daws.fyt
MAX	malware (ai score=87)
Antiy-AVL	Trojan[Backdoor]/BAT.Teldoor
Arcabit	Trojan.Bat.1 [many]
ZoneAlarm	Trojan-Ransom.Win32.Gen.vpz
Microsoft	Trojan:Win32/Wacatac.B!ml
Cynet	Malicious (score: 100)
McAfee	Artemis!207F6373B3AF
TACHYON	Ransom/W32.Encoder.53248
Cylance	unsafe
Panda	Trj/CI.A
Rising	Ransom.Gen!8.DE83 (C64:YzY0OsAGwTzhll5p)
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	W32/Gen.VPZ!tr
AVG	FileRepMalware [Trj]
DeepInstinct	MALICIOUS
CrowdStrike	win/malicious_confidence_90% (W)